I believe for number 1 the answer is A 260
Percentage of human sperm cells carry an X chromosome is C 50%
Answer:urbanization is responsible for the loss of vegetation and soils.
Explanation:
As urbanization alters the natural amount of water that takes each route.
A human fetus develops at the mother’s body temperature. At birth, most newborns experience a drop in temperature, and their bodies must quickly do something about it. What they do is the same thing a hibernating mammal does as it rouses itself from its winter "snooze." During hibernation, an animal’s body temperature is low. In order to move about and take care of itself once awake again, the animal that has been hibernating must raise its body temperature. (William k. Purves et al., life: the science of biology) The definition is the primary pattern of organization in this passage.
This passage is explaining the process of hibernation and its importance in the animal life cycle.
To learn more about hibernation here
brainly.com/question/2594381
#SPJ4
Correct do not use fossil fuels is the answer
