Consider the following planned experiment.
factor
experimental group
control group
amount of water
daily
daily
type of food
fresh grass
fresh grass
vitamins
yes
no
housing
indoors
indoors
which variable is being tested in this experiment?
o
a. amount of water
o
b. type of food
o
c. vitamins
o
d. housing

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called