Weather balloons are often used to make measurements in which "sphere" a. biosphere b. exosphere c. geosphere d. cryosphere e. atmosphere f. hydropsphere

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

What in scientific term why the salty popcorn causes this thirst

What organ is the first to receive nutrients that have been absorbed from the digestive tract?