Which of the following statements is true? Automobiles are the leading cause of acid rain. Both plants and animals can make protein using nitrogen compounds. Animals add water vapor to the air through respiration. Plants add water vapor to the air through photosynthesis.

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm