Answer:
.02
Explanation:
When finding population density, divide the amount of people, animals or things in the region by the total square miles. 40/2000 is .02.
Answer:
How the Muscular and the excretory system work together. The Muscular system helps the Excretory system by moving waste through the body and protect its organs. The Excretory system helps the Muscular system by getting rid of carbon dioxide from the muscles.
Explanation:
The energies we encounter as noticeable light are a thin cut from the expansive range of electromagnetic radiation. Our tactile experience of light is resolved to a great extent by the light vitality's wavelength, which decides the tone of a shading, and its power, which impacts splendor. After light enters the eye through the student, whose size is managed by the iris, a camera-like focal point centers the beams by changing its ebb and flow, a procedure called convenience, on the retina.
