Ascientist is using a light microscope to observe a sample of muscle tissue. by analyzing the cellular structure and organization of the muscle
tissue, the scientist can identify which of these properties?
a
the age of the donor
b. how frequently the muscle was used
c, whether the muscle was located in the arms, legs, or torso
d. whether the muscle moved the skeleton, the heart, or another type of internal organ

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.

Monarch butterflies have brightly colored orange wings with black patterns on them, making them easily visible to birds that eat butterflies and moths, yet birds rarely eat the monarchs. likewise, the monarch caterpillars are brightly striped yellow and white and black, and they also are rarely eaten by birds, although some wasps will attack them and feed them to their young. what can be inferred from these observations? monarchs must threaten and attack birds, but not wasps. monarchs have a way of discouraging bird predation that does not involve hiding. monarchs’ wings are so colorful that most birds must find them difficult to eat. monarchs lay more eggs than other less conspicuous butterflies.