because cosmologists can't go out into space and test all of their theories, they must depend on the cosmological
principle. this principle assumes
the universe stays at a steady state.
any physical laws are the same for the entire universe.
the universe is going to eventually collapse.
the universe is cooling down.

What is the relationship between absorbance of light and the rate of photosynthesis?

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot. active transport involves transport proteins, and facilitated diffusion does not. facilitated diffusion involves transport proteins, and active transport does not. active transport requires the expenditure of cellular energy, and facilitated diffusion does not.

Plz ! having a smooth seeds is the dominant trait. having wrinkled seeds is a recessive trait. the offspring of two plants with smooth seeds, a. must have smooth seeds. b. may have smooth or wrinkled seeds. c. must have wrinkled seeds. d. have a 25% change of having smooth seeds.