Answer:
A. As a young naturalist, Charles Darwin traveled around the world and made many discoveries on a small British navy ship, HMS Beagle.
Because there are too many sex chromosomes I think
Answer:Non-Polar and Neutral, Polar and Neutral, Polar and Acidic, Polar and Basic
Explanation:
Answer:
Either (1.) Fossils or (2) Radiometric dating.
Explanation:
Fossils are an obvious answer to this, but radiometric dating is the method most scientists use to find the age of rocks. Radioactive isotopes break down predictably, so the farther along this process is, the older the rock is.
Answer:
True. The heart contracts twice per heartbeat. One contraction is the ventricular and the other one is the artrial.
