I believe that 2 is correct. :)
I think it is a 50-60 percent chance. More boys are produced in the world than females at the moment, which might explain the reason some people are single.
Answer:
Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.
Answer:
primary consumer
Explanation:
I'm doing this because it need 20 characters
Answer:
True
Explanation:
The process of photosynthesis converts light energy to stored chemical energy by converting carbon dioxide plus water into sugars plus released oxygen.