Answer:
Acid Rain goes in lakes and other water sources where animals drink water. When drinking for acid rain water animals get sick and plants dependent on water sources die off.
Explanation:
<span>A light year refers to a very big amount of distance and is a measurement termed as an astronomical unit of measure. When you say that a galaxy is 5,000 light years away we are actually describing the speed of light within a year. One light year is actually equivalent to 9, 500, 000, 000, 000 kilometers. Just imagine how big or how far that galaxy is when you multiply those kilometers by 5,000?</span>
A extra genetic material at 21st chromosome i believe
Answer: Less Negative/ More Positive
(Either will work)
Explanation:
If the membrane potential of a neuron decreases, the membrane potential <u>less negative/more positive</u>.
