Pure water freezes at 32 degrees Fahrenheit, and at 0 degrees Celsius.
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Answer:
The Answer is C
Explanation:
When scientists breed cows to produce more milk, this has not occured naturally and thus is not natural selection.
First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst. hope this helps :)
Explanation:
controlled mating is the correct one.
Answer:
CO2 is supplied by mammals and other living animals exhaling, producing CO2 this is absorbed through their leaves, and stems
H2O is supplied by the water cycle, nearby rivers, oceans, creeks etc. This is soaked up through their roots. Excess sugars are also stored in the roots as food.
Sunlight is provided in the atmosphere and the chlorophyll absorbs this.
Explanation:
