Which of the following became a significant problem during the industrial revolution?
a. destruction of stratospheric ozone
b indoor air pollution
c. loss of biodiversity
d. outdoor air pollution

What processes take place before the mature mrna exits the nucleus?

The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?

Why do mountaineers become breathless as they reach high altitudes