Fish eggs only take a few days to hatch
Answer:
2. Grains of rice
Explanation:
Everything else is microscopic.
An ecosystem<span> is </span>balanced<span> when the natural animals and plants and non-living components are in harmony- i.e. there is nothing to disturb the </span>balance<span>. With increasing pollution, change in migratory patterns, and rise of human population, many </span>ecosystems<span> are in danger of losing that harmony.</span>
Answer:
B. hydrogen bond
Explanation:
The double helix is held together by hydrogen bonds between the bases
If the Moon were to double in mass, the gravitation force between it and the Earth would <u>become</u><u> </u><u>twice</u><u>.</u>