Jack is planning an experiment to see how temperature can affect the reproduction rate of a certain species of bacteria.

Jack is listing some of the variables that could affect the outcome of the experiment. Which of the following variables should be included on his list?
A.
time of year, clothes Jack wears, Petri dish mass
B.
time of day, color of walls in lab, Jack's height
C.
temperature, light level, species of bacteria
D.
food Jack eats, day of week, number of pages in log book

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

What drives an advertising campaign?

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%