An experiment was designed to determine the effect of nitrates on algae growth. two groups of algae were grown under identical conditions, except one group was watered with a dilute nitrate solution and the other group received water without nitrates. in this investigation, the group of algae grown without added nitrates is known as the?

Acid rain is the direct result of acid released by burning fossil fuels. select the best answer from the choices provided ot o f true or false

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.

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian