Which consequence of pollution is shown in the photograph?

A. Pollutants react with water and are deposited on Earth’s surface.
B. Eutrophication occurs in the presence of too many nutrients.
C. Pollutants break down the layer of ozone in the stratosphere.
D. Gaseous pollutants and particulate pollution form a haze over cities.

Drag each label to the correct location on the image. each label can be used more than once. a scientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions. protein will not be changed. protein may be changed. attcgtgttc atcgtgttc atcgtattc attcgtattc

Name the organs of humanelemintary canal.

Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods