Help please I’m doing the test. Am I right?

Answer:b) The air at high altitudes are less dense, so its harder to breathe.

Explanation:

AS altitude increases, the air pressure drops. This reduces the amount of gas molecules in the air so the air becomes less dense compared to air closer to sea level.

Answer:

In chemistry, reactivity is a measure of how readily a substance undergoes a chemical reaction. The reaction can involve the substance on its own or with other atoms or compounds, generally accompanied by a release of energy. The most reactive elements and compounds may ignite spontaneously or explosively.

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Answer:

Class

Explanation:

Vertebrate Classification. Vertebrates can be subdivided into five major groups: fishes, amphibians, reptiles, birds, and mammals. Amphibians, reptiles, birds, and mammals are ranked as classes.

Answer:

can you mark me as branlist

Answer:

Hope it will help you......

Answer:

Codominance

Explanation:

Codominance is a relationship between two versions of a gene. Individuals receive one version of a gene, called an allele, from each parent. If the alleles are different, the dominant allele usually will be expressed, while the effect of the other allele, called recessive, is masked.

Answer:

The hilus

Explanation:

Each kidney has a prominent medial indentation called the hilus

Answer: sympathetic nervous system

Explanation: because it is the body's rapid involuntary response to dangerous or stressful situations.

Goosebumps are a symptom of a seizure illness termed temporal lobe epilepsy, a sympathetic nervous system disorder, or other brain disorders, albeit they are uncommon. They are also common with heroin or other drug withdrawal.

The body's quick automatic reaction to hazardous or stressful circumstances is controlled by the sympathetic nervous system.A quick hormone rush raises the body's alertness and heart rate, which boosts the flow of blood to the muscles.

Therefore, In response to a threat, we perspire, breathe more quickly, get goose bumps, and feel nauseated. These responses are Sympathetic nervous system because it is the body's rapid involuntary response to dangerous or stressful situations.

Learn more about goose bumps here:

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Answer:

The human need for water is now the biggest danger to mussels. Habitat destruction, fragmentation from dams, and more recently an intense drought in the southern plains have all contributed to destruction of mussel beds.

Explanation:

Tortoise shell cats can be explained as the offspring from a incomplete dominance cross. Incomplete dominance gives rise to an intermediate phenotype.

The scientific phenomenon that explains the color pattern is X-linked incomplete dominance.

Learn more about X- linked traits: https://brainly.com/question/14548821

Answer:

Desert, Plain, Taiga, Tundra, Wetland, Mountain, Mountain range, Cliff, Coast, Littoral zone, Glacier, Polar regions of Earth, Shrubland, Forest, Rainforest, Woodland, Jungle, Moors.

Explanation:

Answer:

a plain

Explanation:

Answer:

A

Explanation:

Oxygen is formed from carbon dioxide in ____(1)____, while carbon dioxide is formed from oxygen in ____(2)____.

A (1) photosynthesis, (2) cellular respiration

B(1) cellular respiration, (2) photosynthesis

C (1) fermentation, (2) anaerobic respiration

D(1) aerobic respiration, (2) photosynthesis

Answer: 4.

Explanation:

Answer:

Yes ,I do agree that farming is good for society

Explanation:

Why do I belive this because farming is apart of the circle of life,We plant,it grows it feed animals and animals feed us. And it keeps going on and on again.

Answer:

It's D        

Hope it helped

Answer: It's D

Explanation: Good Luck bud

Answer:

they male contain 2 seeds

Answer:

adenine pairs with thymine

cytosine pairs with guanine

Explanation:

Answer:

the area that a receptor cell gathers information from is called the receptive field

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itz by Riddhi

Answer: It can create unique landforms, such as wave-cut cliffs, sea arches, and sea stacks. Deposits by waves include beaches. They may shift along the shoreline due to longshore drift. Other wave deposits are spits, sand bars, and barrier islands.

Explanation:

Answer: always negative) :p

Explanation: khan :)

Answer:

always negative!

Explanation:

Explanation:

There is a LOOOONG process for this so here it is;  

First things first.The animal dies. Soft parts of the animal's body, including skin and muscles, start to rot away. Scavengers may come and eat some of the remains.  Before the body disappears completely, it is buried by sediment - usually mud, sand or silt. Often at this point only the bones and teeth remain.  Many more layers of sediment build up on top. This puts a lot of weight and pressure onto the layers below, squashing them. Eventually, they turn into sedimentary rock.  While this is happening, water seeps into the bones and teeth, turning them to stone as it leaves behind minerals.  This process can take thousands or even millions of years.

I hope this answer helped. Thank you!

Answer:

Convection currents transfer heat from one place to another by mass motion of a fluid such as water, air or molten rock.

Explanation:

Answer:

a popular culture magazine

Explanation:

magazines can be filled with unreliable and false gossip and it's not all accurate.

Answer:

A. a popular culture magazine

Explanation:

got it right on edge :)

Answer:An increase in light intensity causes both pupils to contract (see iris) even if only one retina is directly stimulated. This is known as a consensual reflex. Conversely, a decrease in light intensity causes dilation of the pupils

Explanation:

Answer:

Crohn's disease is a type of inflammatory bowel disease (IBD). It causes inflammation of your digestive tract, which can lead to abdominal pain, severe diarrhea, fatigue, weight loss, and malnutrition. Inflammation caused by Crohn's disease can involve different areas of the digestive tract in different people

Explanation:

Answer:

It will start to rain.

Explanation:

Answer:

The answer is C.

Explanation:

The original strand is split apart in half, those are added to two new strands. Which makes each double helix part original and part new strand. This is the correct answer, as I just took the test.

Answer:

Population density naturally varies a great deal within each country according to climatic conditions, topography, mineral deposits, rainfall, soil cultivation, etc