The answer is D. A, B, and C all use photosynthesis, and make their own energy. A cougar relies on killing other animals to get energy. I hope this helps!
<u>Answer:</u>
<em>A constant is something whose value cannot be changed and is used for comparison purpose. </em>
<u>Explanation:</u>
The controlled variable is a type of variable whose value is kept constant during the experiment to get the desired or expected result. The difference between constant and a control variable is that the constant can never be changed.
However, the value of control variable can be changed but is kept constant with a purpose in an experiment to get the data. The controlled variable in a battery can be the multi meter that should be used for all the batteries.
<h2>Hey there! </h2>
<h2>The correct option is:</h2>
<h3>B. Evaporation </h3>
<h2>Explanation:</h2>
<h3>Because the molecules inside the jar are moving upwards, which shows Evaporation. </h3>
<h2>Hope it help you </h2>
Answer:
the frog and cricket are eaten by snake and soil bacteria all dead organisms are eaten by soil bacteria.
The sun is the energy source for grass which is in turn an energy source for crickets and soil bactiera. Snakes and frogs eat the crickets and snakes also eat the frogs. When all the animals including grass die then will get eaten by the soil bacteria.
Explanation:
Answer:
C
Explanation:
Runoff occurs when there is more water than land can absorb. The excess liquid flows across the surface of the land and into nearby creeks, streams, or ponds. ... Glaciers, snow, and rain all contribute to this natural runoff. Runoff also occurs naturally as soil is eroded and carried to various bodies of water.
