B Nature selection for traits the allow for increased rates of reproduction and survival over traits that don't, is correct.
A is also correct
Answer:
About 5billion years ago is the correct option.
Explanation:
Hope this will help you :)
Answer:
see below :)
Explanation:
Infectious are more easily spread nowadays becuse of an increased population. The more the population increases, the bigger the advantage an infectious disease has. As of right now, because everyone is wearing masks, their immune systems are being weakened. Another reason for this is because of the increase in chemicals in our foods, which are now being transferred to our bodies. All of the medications people are taking also have an affect on the spread of disease; it gives diseases a chance to mutate.
Answer:
its good
Explanation:
the can evaporate and make clouds which cause rain which can water plants