the higher the altitude, the lower the oxygen level in air. climbers of very tall mountains risk altitude sickness, which is an illness characterized by shortness of breath, weakness, dizziness, and confusion. the early symptoms of cyanide poisoning are the same as those for altitude sickness. cyanide binds tightly to cytochrome c oxidase, the protein that reduces oxygen molecules in the final step of mitochondrial electron transfer chains. cytochrome c oxidase with bound cyanide can no longer transfer electrons. explain why cyanide poisoning starts with the same symptoms as altitude sickness.

Altitude sickness, also called mountain sickness, is a group of general symptoms that are brought on by climbing or walking to a higher and higher altitude (elevation) too quickly. It happens because the body doesn’t have enough time to adapt to the lower air pressure and lower oxygen level in the air at high altitudes. This article reviews symptoms, diagnosis, treatment and prevention of altitude sickness.

Two reasons:

First, if the atmospheric pressure is low enough the lungs won't be able to produce adequate suction to inhale enough air to survive.

Second, oxygen is dense, gases like nitrogen will be in higher concentration than normal due to boyancy, reducing the amount of oxygen per breath.

If you look at the physiology of people who live on mountains, they tend to have stronger lungs and /or are capable on function with less oxygen.

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d concave shape of wave rock

explanation:

the concave shape of wave rock is a very good evidence that supports the evolution of earth due to chemical weathering. if we talk about structure of   wave rock, studies have estimated that it is around 2.7 billion years old. it also serves as the foundation of evidence that it was the place where australian continent began to form.

how the structure of wave rock was created?

studies suggest that structure of wave rock was created when the surrounded area was started to weather due to which deposition of material started on the part of land which now contains wave rock.

the structure of wave rock is considered to be one of the best-known landforms in australia. at the height of around 15 cm, there can be found flared slopes which formulate the margins of hyden rock. it is now assumed by geologists that wave rock was created by subsurface water-induced weathering and not by glaciers, waves or wind.

due to deposition of material over the period of long time, the wave rock became tougher and tougher due to weathering from surrounding terrain. this makes it a physical evidence that supports   the evolution of earth due to chemical weathering.

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small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.