HELP!!!!! I WILL GIVE BRAINLYEST write a 250 word report on a extinct or endangered animal

Answers

Answer 1

Answer:

bro thats plagiarism

Explanation:


Related Questions

H2O decomposes to hydrogen and oxygen as describe in the
following reaction:
2H20 (1) ► 2H2 (9) + O2 (9)
What is the mole fraction of hydrogen gas in the products?
a 0.5
b 0.33
C 0.4
d 0.67

Answers

When a gas is collected over water, one must subtract the vapor pressure of water from the total pressure in order to find the pressure of the gas itself. Thus, 1.05 atm - 0.0278 atm = 1.0222 atm = pressure of the O2 gas.

PV = nRT and solve for n to determine moles of O2 collected.
n = PV/RT = (1.0222 atm)(0.5 L)/(0.0821 Latm/Kmol)(296 K) note the use of Kelvin for temperature.
n = 0.02103 moles O2
mass of O2 = 0.02103 moles x 32 g/mole = 0.67 grams (to 2 significant figures)

Which are included in the inflammatory response? Select three options.painswellingantibodiesmucusredness

Answers

redness, swelling, and pain

What is the formula for atomic weight amu of neon

Answers

Answer:

abundance of the first isotope times the Mass of the first isotope

[EARTH SCIENCE]

Hi, can anyone help please? Thank uuuu!!! :D

The relationship between the average distance of a planet from the sun and the planet’s orbital period is described by the....

A. Law of ellipses.
B. Law of equal areas.
C. Law of motion.
D. Law of periods.

Answers

Answer:

c. law of motion

Explanation:

I think I hope it helps

A student is asked to describe three random
elements found on the periodic table. All three
elements will FOR SURE have which of the two
following characteristics?
A. similar color and texture
B. shininess and value
C. mass and volume
D. similar boiling and freezing points

Answers

C hope u get it right bye

All three elements  in the periodic table will for sure have characteristic of mass and volume.

What is an element?

An element  is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom which is characteristic of it's own. Due to this reason all elements are different from one another.

Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all solids at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.

The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.

Learn more about element,here:

https://brainly.com/question/14347616

#SPJ2

Can someone help me with this please

Answers

That is an ionic bond.

Explanation:

It has cations and anions

Balance the following equation: __Na+__H₂O ➞ __NaOH+__H₂ *

Answers

Answer:

4 4 8 4 is the balanced equation

How many atoms are in 80.45 g of magnesium with explanation

Answers

Answer:

There are 1.9926 * 10 ^24 atoms.

Explanation:

M ( Mg ) = 80.45 g

We can find the molar mass of magnesium in the Periodic table:

M ( Mg ) = 24.31 g / mole

n = 80.45 g : 24.31 g/mole = 3.31 moles

N a ( Avogadro`s constant ) = 6.02 * 10 ^23

N = Na * n = 6.02 * 10 ^24 * 3.31 = 19.926 * 10 ^23

1. Explain the difference between genetic, environmental, social, and pathogenic factors.


2. How do pathogens spread?


3. How can we, as humans, prevent transmission of pathogens?


4. List three ways the environment can affect personal health.

Answers

1. Genetic factors are those where the genetic condition of an individual is capable of increasing the probability of developing certain diseases.

Environmental factors include the diversity of environmental stresses such as population density, temperature, food and pollutants that impact human health.

Social factors are related to the interaction of groups through culture, social class and family structure, which also have an effect on population health.

Pathogenic factors, on the other hand, are those transmitted by agents such as viruses, fungi, bacteria and protozoa, which colonize a host by adhering to cells and evading immunity, generating diseases.

2. The transmission of pathogens can occur in several ways, such as contact with bodily fluids from infected people, cross-transmission or through being spread through particles in the air.

3. We can prevent the transmission of pathogens through proper hygiene habits, healthy eating, vaccination against infectious diseases and avoid contact with other people if you have a communicable disease.

4. The environment can affect personal health through climate change, pollution and lack of infrastructure that lead to less access to quality food and basic health conditions.

Learn more here:

https://brainly.com/question/13179079

how many neutrons of atomic mass is 31 and atomic number is 12

Answers

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

As we know, Number of protons = Atomic Number

So,

Number of protons = 12

And, Atomic mass = Number of protons + Number of Neutrons (N)

therefore ~

31 = 12 + N

N = 31 - 12

N = 19

Number of Neutrons = 19

Can anyone pls answerrrrt

Answers

Answer:

wdym

Explanation:

hmm

helllloooook this makes no sense help me plz

Answers

may i ask?

How do you use this app?

The MSDS for propane gives it a health rating of 1, a flammability rating of 4, and a reactivity rating of 0. According to the MSDS, which best describes propane? highly corrosive highly toxic highly flammable highly reactive.

Answers

Propane has MSDS rating for flammability 4, thus the compound has been highly flammable. Thus, option C is correct.

The MSDS has been the Material Safety Data Sheet . It has been given for the compounds hazardous levels. The compounds have been checked on various parameters and ranked on the scale of 0 to 4.

The compounds being less value in the parameter has 0 value, while 4 has been the maximum value.

The MSDS rating for propane has been able to deliver the compound to be:

Health rating: 1

The compound has been less positive towards the health.

Flammability: 4

The compound has been highly flammable.

Reactivity: 0

The compound has been least reactive.

Since, propane has MSDS rating 4 for flammability, the compound has been highly flammable. Thus, option C is correct.

For more information about the MSDS rating, refer to the link:

https://brainly.com/question/2852656

Answer:A) Highly corrosive but not highly flammable

Explanation:

right on edge :)

The drummer is the best performer. What is the noun in this sentence

Answers

Answer:

Performer if not I say drummer

let me know the answer!

Explanation:

drummer is the noun because a noun is a person place thing or idea


Ores contain enough metal to make extraction of the metal ______
economical.
reversible.
carbon neutral.

Answers

Answer:

oxide

Explanation:

What is the molarity of a 75.0 mL solution that contains 0.225 g of
potassium nitrate?

Answers

Answer:

M=0.0297M

Explanation:

we know that molarity equals number of mole of solute over the volume of solution.

M=n/V but n=m/M

n=0.225g÷101g/mol =0.00223mol

M=0.00223mol/0.075l

M=0.0297M

Answer:

0.0297M

Explanation:

We will use the formula M= moles of solute/lites of solution.

First we need to figure out the Moles of the solute, to get this we first need the molar mass of KNO3 (potassimum nitrate).

The Molar Mass of potassimum nitrate is 101.103 g/mol
K - 1 x 39.09
N - 1 x 14.006
O - 3 x 15.999
KNO3 - 101.103 g/mol

Now we get the moles of the solute by doing.
0225g/ 101.103g/mol = 0.00223 mol

Put the answer into the orginal equation to get 0.00223mol / 0.045 L
Which equals to 0.0297M. This is also the correct amount of significant figures.

4. Pb + FeSO4 → PbSO4 + Fe
what type of reaction?​

Answers

Oxidation- Reduction reaction

Polyester is a synthetic material used for many different purposes. It is produced from petroleum and natural gas. Producing polyester from these natural resources requires many steps and uses other chemicals that are potentially harmful. Polyester production also requires a lot of energy. Although polyester is not biodegradable, it is easily recyclable.

Which statement about synthetic materials is best supported by the example of polyester?
A.
Using synthetic materials has a negative impact on the environment, but using natural materials does not.
B.
Synthetic materials created from petroleum and natural gas are difficult to produce and to recycle.
C.
Materials that are created from natural resources affect the environment more than those that are not.
D.
Producing certain synthetic materials could have a greater environmental impact than disposing of them.

Answers

Answer:

A. Producing certain synthetic materials could have a greater environmental impact than disposing of them.

Explanation

I just did this question and got it right.

what is the difference between hypertonic and hypotonic

Answers

Answer: A solution will be hypertonic to a cell if its solute concentration is higher than that inside the cell, and the solutes cannot cross the membrane. If a cell is placed in a hypotonic solution, there will be a net flow of water into the cell, and the cell will gain volume.

Picture:
Meaning of hypertonic: (1): having a higher osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid. (2) of or in a state of abnormally high muscle tone.

Page. 5. What is the position of alkali metals in the Modern periodec table. ​

Answers

Question:-

What is the position of alkali metals in the Modern periodic table.

Answer:-

They are placed in the IA group, which is the first column on the left side of the periodic table.

Explanation:-

Alkali metals are placed on the first column (IA)

(lithium, sodium, potassium, rubidium, cesium, francium)

What is the volume, in liters, of 1.4 moles of CO2 gas at STP?

Answers

Answer:

22.4 L.

Explanation:

Crumpling and tearing cause physical changes to a piece of paper.
Which two characteristics of the paper change?
A. Size
B. Reactivity
I C. Identity
I D. Shape


Please help I’ll give brainlist and no spamming or links just please help

Answers

size and shape. only the appearance of the paper will have changed, but is reversible.

Which answer is it for number 7

Answers

Answer:

The answer is I

The 4 one represents Solids coz in solids atoms are tightly packed

How many total atoms are present in the compound: Mg(OH)_2

Answers

Answer:

In the compond Mg(OH)_2, 20 atoms are present.

Explanation:

Which of the following is true for a nuclear reaction?
O Electrons are lost
Electrons are gained
O Identity of element changes
Oldentity of element remains same

Answers

Identity of element changes.

True statement for a nuclear reactions is that it changes the identity of the element.

What are nuclear reactions?

Nuclear reactions are those reactions in which changes in the nucleus of atoms take place in the form of fission and fussion.

As it is said that changes are taking place in nucleus so the electrons are not gained or lost in this reactions.Identity of the element changes as atomic number of element changes due to change in the number of protons.

Hence identity of element changes.

To know more about nuclear reactions, visit the below link:
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copper cannot be used as an anode in electrolysis of water​

Answers

Answer:

I hope this will help

Explanation:

Copper is purified by electrolysis . Electricity is passed through solutions containing copper compounds, such as copper(II) sulfate. The anode (positive electrode ) is made from impure copper and the cathode (negative electrode) is made from pure copper.

Pls some one help
1 mark question

Answers

Answer:

See below

Explanation:

Helium belongs to group VIII of the periodic table "Noble gases". It has only 1 electronic shell and that too contains 2 electrons according to the accommodation of the shell. Hence, it's electronic shell is complete. This is the reason, Helium is chemically unreactive.

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

~AH1807

How do you prepare 500ml of 1.77M H2SO4 solution from an 18.0M H2SO4 Stock solution

Answers

Answer:

Take 49.2-ml of 18.0 M H2SO4 stock solution and pour it into a 500-ml volumetric flask. Fill to the 500-ml line with distilled water to make 1.77M H2SO4 solution.

Explanation:

use the formula M1V1=M2V2

volume must be in liters(L)

[tex](1.77)(500 \times {10}^{ - 3} ) = (18)v2 \\ 0.885 = 18v2 \\ v2 = \frac{0.885}{18} \\ v2 = 0.04916[/tex]

0.04916L × 1000 = 49.16 ml = 49.2 ml

How quickly the electron are moving through the circuit
A.Resistance
B.voltage
C.current

2.The strength with which electrons are pushed through the circuit?
A.Resistance
B.voltage
Current

Answers

Answer:

B

Explanation:

because the electrons are moving fast

B because electrons move very quickly

Desperate Please Hurry
What was the evidence that Earth was round before there were photos from space?

Answers

Answer:

Explanation:

Are there any awnser choices?

Many believed that since the moon and sun were a circle or round shape they believed that’s also how the earth was shaped. Hope this can help!
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