HELP ASAP I WILL GIVE BRAINLIST Which statement is true about endothermic and exothermic reactions?

Kinetic energy is absorbed and converted to potential energy in an endothermic reaction.

Kinetic energy is absorbed and converted to potential energy in an exothermic reaction.

Energy is released in an endothermic reaction.

Energy is absorbed in an exothermic reaction.

An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?

Cancer cells spread to other parts of the body by entering the bloodstream. which of the following organs could prevent a cancer cell in the bloodstream from spreading, and why? a. the spleen, because it releases lymphocytes into the blood b. the peyer's patches, because they release lymphocytes into the blood c. the lymph nodes, because they release lymph into the blood d. the thymus, because it releases lymph into the blood

Discuss the similarities and differences between whale flippers and tail flukes(*back fins, not the fish) and fish fins, using the scientific terms "homologous structures" and "analogous structures" in the discussion (5-7 sentences)