Water molecules are heated into a gas by the sun and stick to dust particles in the air to create clouds
Answer:
71% of the earth forms water
Explanation:
About 71% of the earth is covered with water out of which approximately 97% is ocean and the remaining includes rivers, lakes and streams. Glaciers made up to 2% and a tiny fraction is in the form of vapors. Water covers vast majority of the earth planet. The other 29% of earth consists of islands and continents.
Answer:
0.5
Explanation:
its of 0.5 going
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Answer: $490,000
Explanation:
you take the gross income (annual in this case) and first multiply it by 70%(0.70). Then multiply it again by 7.
$100,000 x 0.70 = 70,000
70,000 x 7 = $490,000
Answer:
1) B. The change in energy in a system during an exothermir reaction
2) B. In the air, only the oxygen is part of the system
3) B. The energy found in the reactants....
4) D. This is an endothermic reaction because the system took energy from the surroundings.
5) B. Energy is released by the formation of chemical bonds
Explanation:
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