Answer:
• But they do not happen every full moon night because Earth's orbit around the sun is not in the same plane as the moon's orbit around the earth. Eclipse occur only if the the sun, the earth and the moon come to lie in a straight line.
Explanation:
• False.
Answer:
Nucleus
Explanation:
Methylene blue stains negatively charged molecules in the cell, DNA and RNA are both abundant negatively charged molecules present in the cell nucleus. This means, the nucleus will appear dark blue having taken up most of the stain. The rest of the cell will be a light blue colour, where some of the stain is picked up
Answer: Sumerians
Explanation: www.whodiscoveredit.com/who-discovered-mercury.html
The answer is (y-7x)(7x+y)
It is this because you must have y^2 which is two y's thats why there is two y's in the answer and -7 and 7 because -7×7= -49
