What is cross-contamination?
a. The transfer of harmful microorganisms from one food or surface to another
b. The presence of harmful microorganisms in food
c. When someone becomes ill after having eaten food containing toxins
d. When more than two people become sick from eating the same food

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c. carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit

In a leaf, dermal tissue a) stores food b) stores carbon dioxide c) releases oxygen into the air d) transports water from the roots

The eyeball is wrapped in adipose tissue within the orbit. what is the function of the adipose tissue?