Which statement best describes the human immunodeficiency virus (hiv) that has been shown to cause aids in humans?

In which situations is the principle of cross-cutting relationship useful in determining relative age?

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas