A animal has to have oxygen to live, some animals have evolved to not having oxygen,https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwjxv4f49ePL...a web site telling about the animals that have evolved.
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:

I think the answer is b. Not sure if I’m correct. Hope this was helpful
<span>1. is exothermic
2. is current electricity
3. is static electricity
4. is outer ear
5. is compression</span>