In the diagram, ac is a diameter of the circle with center o. if m∠acb = 50°, solve for m∠bac.
a. 50°
b. 40°
c. 80°
d. 100°

What is unique about the members of the group of fungi to which penicillium notatum belongs? they are not important for medicine. they are not made up of hyphae. they are used in fermentation. they lost the reproductive phase.

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.