Which is an effect of the ozone depletion over Antarctica? A)
loss of phytoplankton, the microscopic marine organisms that are the basis for the entire food chain
B)
increase in the incidence of skin cancer as a result of UVB radiation
C)
increase in damage to eyes leading to cataracts
D)
extensive DNA damage in the eggs and larvae of Antarctic fish
E)
all of the above

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle