Answer: density
Convection is the circular cycle of rising and falling of a liquid or gas as it becomes hotter or cooler. When a liquid or gas becomes hotter, its density decreases, which causes the substance to rise. After rising, the substance loses heat and becomes cooler, which increases its density. This causes the substance to fall or sink to the bottom.
Answer:
archaeabacteria ( context clues can often give the answer :)
Answer:
The high intake of processed food have increased our intake of harmful bacteria which resulted in increase of allergies asthma arthiris and heart attacks....
1st question is FDA
3rd is endangered species act
Has increased dramatically. this because industrialization has resulted in released of global warming gases that have consequently led to global warming i.e increase in temperature to the levels that some species cannot survive. in addition industrialization has led to increased demand of energy which has led to mining of energy sources such as coal. this mining has resulted to destruction of habitat of some animals and and plants leading to extinction of some.
