The answer is "c. Some alleles are dominant and other are recessive"
Answer: Option A
Explanation:
The Antarctic region needs government facilities in order to see the impact of Antarctic region on the environment or to see the effect of changing environment on the Antarctic.
The effect of global warming was first encountered in this region only. The temperature there is very cold and is not suitable for living.
There is no living population but there is a need of government to inspect the region and solve the problems associated with this place.
Explanation:
The right side of your heart receives blood from the body and pumps it to the lungs. The left side of the heart does the exact opposite: It receives blood from the lungs and pumps it out to the body. If your body didn't do it simultaneously, then blood would overflow your lungs.