The color of a star is

a. unimportant

b. determined by its location in its galaxy

c. cannot be determined

d. determined by its temperature

How do plants make food? a. photosynthesis b. refraction c. reflection d. decomposing

What is the smooth endoplasmic reticulum made out of?

A. A human skin cell is an example of this type of cell

What is the physical structure of a carbohydrate

Which is a factor that could interrupt the progress of succession? colonization of surfaces by lichens different animals appearing at each stage another natural disturbance long-term fluctuations in climate

the process of changing energy from one form to another. Solar energy is changed into chemical energy by plants.

Describe the connective tissue components of skeletal muscle tissue

If the mass of a material is 104 grams and the volume of the material is 20 cm^3 what would the density of the material be _ g/cm^3

A diagnostic test that would be used to determine the amount of protein being excreted and to estimate the kidneys

The human population of the United States passed through the demographic transition between 1790 and 1910. How has the population changed after 1910?