Answer:
1.Atria push blood into the ventricles
2.Venticles push blood out of the heart.
Answer:
here's the answer hope this could help you
Explanation:
Thermal energy usually flows from an object that has a higher temperature to an object with a lower temperature. Since the whales are from Florida’s warmer waters and they can generate their own body heat since they are warm-blooded, more thermal energy would move from the whale into its environment in cooler waters.
the world's current population is 7.3 billion and the world population in 1915 was 1.8 billion. The increase over the past century is 7.3 billion - 1.8 billion = 5.5 billion. So, the correct answer would be "more than 5 billion" (option D).
<u>Answer:</u>
<em>Use of renewable resources</em>
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<u>Explanation:</u>
Greenhouse gases from human exercises are the most critical driver of watched environmental change since 20th centuries. Atmosphere compelling alludes to an adjustment in the Earth's vitality balance, prompting either a warming or a cooling impact after some time. An expansion in the barometrical convergences of ozone-depleting substances creates a positive atmosphere driving or warming effect.
Centralizations of the gas and other ozone-depleting substances in the climate have expanded since the start of the modern period. Practically the majority of this expansion is owing to human exercises
