Which of the following statements is true? A)Decomposition and weathering recycle matter in an ecosystem.

B)The total amount of energy in an ecosystem is always increasing.

C)Primary consumers break down dead organisms into essential chemicals.

D)Water is part of an open system, which means it must be continuously replenished in an ecosystem.

Anurse is administering a drug that blocks the protease enzyme so new viral particles cannot mature. which category of drugs is the nurse most likely administering

Which best describes the scientific process

When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.