Sonar testing has caused whales to die in mass amounts.
Its is already a balanced equation so the option a.1 would fill in for the blank.
A. Peat
Peat <span>is a layer of organic sediment. </span>
I believe the correct answer to the question is D. This answer choice makes the most sense given the context. Also, since RNA is less stable than DNA, it mutates more often.
You can tell if matter is conserved if the substance changes . If the substance changes then matter has been conserved .
