Some pathogens can remain contagious in dried blood for up to
a. a week
b. three weeks
c. 10 days
d. two weeks

Can someone i have no idea of how to do this.

How does photosynthesis show the conservation of mass and energy?

Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection