Answer:
hardening
Explanation:
hello please help i’ll give brainliest
Answer: Atmosphere
Explanation: It isthe envelope of gases surrounding the earth and protect it
Our environment is sometimes divided into different spheres, including the geosphere, hydrosphere, cryosphere, atmosphere, and biosphere. Interactions between the geosphere and atmosphere can have an impact on Earth’s weather. Which of the following is an example of an interaction between the geosphere and atmosphere?
1.Melting of ice from a glacier into a body of water
2.Eruption of lava, gases, and ash from a volcano
3.Evaporation of water from the ocean
4.Animals completing cell respiration and exhaling CO2
Answer:
Eruption of lava, gases, and ash from a volcano
Explanation:
Carbon that is stored for millions of years is found in the form of
Answer: They can be found in Fossil Fuels
Explanation:
When animals die, they release carbon which goes into the ground and when it's stored for so long it turns into fossil fuels :)
Answer:
most is stored in rocks the rest is ocean plants soil atmosphere and fossil fuels.
Explanation:
Some cells have structures called chloroplasts, which contain the green pigment chlorophyll.
a) Explain the role of chloroplasts in these cells.
b) Name two things from the environment that chloroplasts must have to perform this
role.
Answer:
Chloroplasts convert light energy to chemical energy to supply food to the plant through a process called photosynthesis
Water and Sunlight
Which of the following is lost to the environment as heat so that it cannot be continually recycled?
Group of answer choices
oxygen
nitrogen
phosphorous
energy
Answer:
Energy
Explanation:
Many chemical reactions release energy in the form of heat, light, or sound. These are exothermic reactions. Exothermic reactions may occur spontaneously and result in higher randomness or entropy (ΔS > 0) of the system. They are denoted by a negative heat flow (heat is lost to the surroundings) and decrease in enthalpy (ΔH < 0). In the lab, exothermic reactions produce heat or may even be explosive.
____is the amount of matter in an object and is measured in kilograms.
A. Mass
B. Gravity
C. Newton
D. Weight
fossils of marine organisms hi in the Andes mountains lead Darwin to conclude that???
Answer:
its C
Explanation:
What landform will this erupting volcano make? A) a delta B) a valley C) a canyon D) a mountain
all plant bodies(root,stem and leaf) are externally covered by epidermis but why woody plant is covered by barks
Answer:
Bark comprises all the tissues surrounding the xylem in woody plants. Broadly, bark includes an inner and mostly living region and an outer, dead one. Of all plant structures, bark has the most complex anatomical structure and ontogenetic origin involving two (and often three) different meristems.
As to why, the bark adds layers to the inside ring of the vascular cambium, the outside is pushed outward. The cells die off, and the fibrous matrix of cellulose and lignin molecules remain. This hard structure forms the bark, and protects the tree or plant from many forms of damage.
50 points welp
Mums are plants that bloom in the fall.
Which statement describes the photoperiodism of mums?
They bloom when the days are longer.
They bloom when the nights are longer.
They bloom when the temperatures are warmer.
They bloom when the temperatures are colder.
Answer:
They bloom when the nights are longer.
Answer:
2. They bloom when the nights are longer
Explanation:
Photoperiodism means the reaction to length of a day or night cycle, since fall is the beginning of shorter days and longer nights, it is only reasonable that the answer is that They bloom when the nights are longer.
can some1 help me with this
Answer:
Variation allows some individuals within a population to adapt to the changing environment. Because natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation.
Explanation:
Hope this helps
Explain how nitrate ions help plants to grow.
Answer:
Explanation:
Both nitrate ions and ammonium ions can be taken up by plants (some prefer one to the other). These ions provide nitrogen for the plant to make its own amino acids for protein synthesis. Except in very high nitrogen soils, the addition of extra nitrate will stimulate plant growth.
Nitrogen is an essential macronutrient that is a component of many essential molecules, such as amino acids, proteins, nucleic acids, and chlorophyll.
What are the roles of nitrate in the growth of plants?Nitrate ions are essential nutrients for plant growth and development. Nitrogen is the fourth most abundant element in plants and is crucial for the growth of leaves, stems, and roots.
Plants require nitrogen in the form of nitrate because it is the most oxidized. It is an easily available form of nitrogen for plants to take up from the soil. Nitrate is absorbed by plants through their roots and transported to the plant cells, where it is used to synthesize amino acids, proteins, and other essential molecules.
Nitrate plays a crucial role in the process of photosynthesis, which is the process by which plants convert sunlight into energy.
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Internal adaptations only apply to animals. Plants do not have internal adaptations.
true or false
pls help
False
Explanation:
I know and i am in 11th grade
HELP PAST DUE AND NO WEBISTES/ FAKE LINKS
your own words: how does the temperture affect the denisty of the water? DO NOT COPY AND PASTE FROM THE INTERNET OR YOUR REPORTED!
Answer:
When a certain amount of water is heated up, it expands, increasing in volume changing the density. This goes for when it’s heated or cooled; the density then changes.
GIVING AWAY 14 POINTS PLEASE HELP ME ON THIS QUESTION ASAP!!!!
Answer: i think its B or C
Answer: B
Explanation: Hope this help :D
which era was the paleozoic era
Answer:
541 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history.
source- Britannica
Explanation:
Explain why index fossils are important.
Answer:
Index fossils are used by geologists and palaeontologists as significant aids to determine the correlation and age of rock formations. Geologists use large fossils or macrofossils and microscopic fossils or microfossils as indices to define and identify geologic periods.
Explanation:
The atmosphere of Earth is made up of nitrogen, oxygen, water vapor, carbon dioxide, methane, nitrous
oxide, and ozone. Of these, 99% of the atmosphere is composed of:
Answer:
Nitrogen and oxygen account for 99 percent of the gases in dry air,
which structure in the figure would most likely be used to form muscles and connective tissue
Q3 because the muscle tissue isnt that complex and it inst that connective.Explanation:
Bone and muscles are the connective tissue. Muscle tissue is made up of sheets and fibers of muscle cells woven together.
What is connective tissue?Animals have a specific tissue called muscle that contracts when activated, applying forces to various body parts. Together, these fibers and sheets are referred to as muscles, which regulate many other contractile processes as well as an organism's movements.
Depending on their purpose, animals have one of three types of muscle. Despite modest differences, these muscles have a similar structure and function. Muscle tissue has a unified function and is frequently joined by the same nerve bundles.
Therefore, Bone and muscles are the connective tissue. Muscle tissue is made up of sheets and fibers of muscle cells woven together.
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Research on animals is not relevant to people because animals are different from people.
A. True
B. False
Match the position to the closest estimation of its current career outlook.
agricultural engineer
landscape architect
agricultural managers
loss of more than 5 percent
:: growth of more than 15 percent
growth of less than 10 percent
Answer:
can you rephrase your question im not understaind it, if you can i can answer it for you
Explanation:
Two cell organelles are described below.
Organelle A: Present in plant cells but not present in animal cells
Organelle B: Much larger in size in plant cells than in animal cells
Which of the following is most likely correct?
Organelle A is vacuole, Organelle B is chloroplast
Organelle A is chloroplast, Organelle B is vacuole
Organelle A is nucleus, Organelle B is mitochondria
Organelle A is mitochondria, Organelle B is nucleus
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Correct option - B
Two two organelles are :
Organelle A - Chloroplast Organelle B - vacuolesBecause, Chloroplasts are the special organelles present in only plant cells. and vacuoles are smaller in size in animal cells as compared to the plant cells.
_____________________________
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Answer:
B-)Organelle A is chloroplast, Organelle B is vacuole
Explanation:
Hormones for glucoregulation are secreted by a gland called??
HELP ASAP PLZ
Answer:
Pancreas ( ilets of Langerhans)
Explanation:
In an if/then statement, what is the "then” part called?
a. hypothetical proposition
c. consequent
b. antecedent
d. inference
Which of the following groups of people be the least affected by air pollution?
Answer:
The group which would be the least affected by air pollution are C. teenagers. This is because their respiratory systems have already been established and are quite strong because they are still young and healthy. People with asthma already have troubles breathing, so obviously air pollution is going to be a problem.
Explanation:
Hope it helps :)
Please help asap , I’m very confused .
Melting ice sheets increase the volume of water in the oceans and reduce the salinity of water. How would this affect:
a) sea animals in polar regions?
b) coastal areas already at sea level?
Answer:your answer is B
Explanation:
In the polar regions if the water goes onto shore it would freeze adding to the icy land and giving sea animals an advantage as all the sea animals would be at the to of the sea level giving a better attack on prey. as in Coastal area it would flood the area causing and flood.
12. Scientists went to five different islands and surveyed the wildlife to determine the stage of succession
present at each location. The data from their exploration is reported in the table below:
Island A
Island B
Island C
Island D
Island E.
Plant species
Grasses, shrubs,
mangroves,
Grasses, shrubs,
flowering plants, mangroves, trees
trees
Grasses, shrubs
Grasses, shrubs,
some flowering
plants
Lichen, some
grasses
Insects, snails,
worms, birds,
Animal species small mammals,
Insects, snails,
worms, birds,
small mammals,
a few large
mammals
Insects, snails,
worms, birds
Insects, snails,
worms, birds,
small mammals,
a few large
mammals
A few small
insects, worms
large mammals
Mostly
Geographic Primarily A mix of forests
grasslands with
Sand and grass
Bare rock
features
'forested and grasslands
some young
forests
(a) Based on the information in the table, which island is at the earliest stage of succession? Explain your
answer using details from the table.
Answer:
island A it it primarly frosted
lungs and capillaries both have porous linings that allow certain substances to move into or out of the structures. Which function do these porous linings most likely serve in living organisms?
A. heat release
B. gas exchange
C. carbohydrate absorption
D. osmotic pressure regulation
Answer:
B. Gas exchange
Explanation:
because the lungs bring air into your body, it needs a way to transfer the oxygen into your blood stream.
Luckily for us, our lungs have porous linings, which will help the oxygen go directly into our blood stream.
The porous structure of the blood capillaries and lung tissue allow the them to exchange gas
The porous structure of the lungs allow to exchange gas from the gas in the blood. Blood capillaries are tiny blood vessels in the body.
The gas in the blood was collected from the tissue from the body parts which is made possible because of the porous lining of the blood capillaries.
Therefore, the porous structure of the blood capillaries and lung tissue allow the them to exchange gas.
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Why is it important that the seedling’s true leaves grow quickly?HURRY IM BEING TIMED
to help disperse seeds to areas where they can grow
to shield the seedling from too much water or rain
to protect the seedling from receiving too much sunlight
to make food for the seedling’s continued growth
Answer:
The correct answer is - to make food for the seedling’s continued growth.
Explanation:
The true leaves that emerge from the seedlings are the leaves that are capable of performing photosynthesis and start generating food and energy. These support the plant for the rest of its life in terms of food and energy.
Seedlings grow from the soil, two leaves in beginning called cotyledons that are not the true leaves and not able to perform photosynthesis and generate their food for the seedling’s continued growth.