Answer: By 
Explanation:
You need to analize the information provided in the exercise.
You know that:
1. The value of a stock increases 1,423 points twice in one week. This indicates that you must multiply 1,423 points by 2:

2. The other three days the value decreases by 10 points, 813 points, and 1,223 points. So you need to find the sum. This is:

Finally, you need to subtract 2,846 points and 2,046 points in order to calculate by how many points the value of the stock changed that week.
Therefore, the result is:

Answer: Fetal alcohol syndrome
Explanation:
Fetal alcohol syndrome is a condition in a child that results from alcohol exposure during the mother's pregnancy. Fetal alcohol syndrome causes brain damage and growth problems. The problems caused by fetal alcohol syndrome vary from child to child, but defects caused by fetal alcohol syndrome are not reversible.
As you can see in the table presented below, in the first few years after the eruption, there was a significant number of moss species present.
Pioneer species are species that are very resilient and first to inhabit new habitats or repopulate disrupted ones, so in this example, mosses are the most likely candidate for pioneer species.
Answer:
A
Explanation:
choice C would be tempting to choose but the the amount of molecules of a compound most of the time only 1 unless stated otherwise. The more obvious answer is that you can find the amount and kind of atoms in the compound.