Well scientist have made the microscope and telescope and we have discover new bacteria and new plant(s) which has help a lot <span />
<span>A snake that eats a frog that has eaten an insect that fed on a plant is a FOOD CHAIN
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Answer:
sun and electric heater
Explanation:
sun is the biggest source of heat energy
electric heater is also an example of heat energy as it warms us
Answer:
False .
atmosphere in early earth was filled with both methane and ammonia
Now days we have nitrogen, oxygen Carbon dioxide and variable gases
