The correct answer is D.) The sun
The sun’s heat causes liquids to evaporate into water vapor, which rises and forms clouds. The whole water cycle repeats itself again because of the sun.
This is because toxins are ingested by organisms and accumulate in the fatty tissues. Theses toxins then become more concentrated in successive trophic levels of a food web biological magnification. Magnification occurs because the biomass at any given trophic level is produced from a much larger biomass ingested from the level below and therefore, top-level carnivores tend to be the organisms most severely affected by toxic compounds.
the brain has to grow it happens because of the nervous system
1.The heart is Beating 2. It is kicking
A baby is safe in the womb because it is well insulated and designed as the perfect baby carrier
Answer:
giraffes necks consists a tall bone like structure called notochord which gives support to the skeletal system like how do we have backbone