Counting the rings on a tree will always tell you the exact number of years it has been alive.
a. true
b. false

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

Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.

Make a claim about the factors that cause inherited genetic variations within populations. also make a claim about the effects of mutations.