Determine who has made the correct statement.
betty said biologists never use the fossil record to determine the age of the earth.
cate said only geologists use the fossil record to determine the age of the earth.

betty is correct.
cate is correct.
neither is correct.
both are correct.

youre right there are

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.