The answer is *drum roll*
B. Eggs of flies in the surroundings!!!!
*bows* Thank you!! *bows* Thank you!
Have a wonderful day!
Arteries are part of the circulatory system in the human
body that transports nutrients and oxygen to every cell of the body. It is also
a vessel that carries blood away from the heart and toward other organs and
tissues. If the smooth muscles in the arteries will be relaxed it decreases the
blood pressure.
Arteries carry blood away from the heart
The part of the Sun that you are observing when you see a blotchy appearance is the surface of the sun. This appearance is called granulation which is caused by the convection of the hot material inside the sun which go up and down the surface of the sun. Because of its sandy texture it is sometimes called lemon peel or rice grain.
1. Testing only one variable
A controlled variable means its the one that stays the same. In a controlled experiment, it means there is only one manipulated, (changed) variable.
