Heat must be added to make a reduction reaction.
Answer: I would go with B. Here’s why: An index fossil is usually easily recognizable, and underwent a wide geographic distribution. What leads me to believe B is the correct answer, is because it’s something that existed “ all over the world”.
Answer: A. Family size
Explanation:
I just got the shÎt wrong for you .
There are many factors that contribute to the growth of a plant . Like what type of light is used and it also depends on the type of plant it is but in this context, your answer is A
