Answer:
They form crystals.
They have higher enthalpies of fusion and vaporization than molecular compounds.
They are hard.
They are brittle.
Explanation:
<span>Bacteria is needed to convert nitrogen gas/ammonia into nitrates for "enhancing" the growth of plants.</span>
Answer:
Due to no resistance.
Explanation:
Most mosquitoes perish when DDT chemical was sprayed the first time because these mosquitoes are vulnerable to the DDT chemical and there is no resistance present in their body against this chemical. DDT chemical is an insecticide which is used against insects or pests that causes damage to human, organisms and crops. DDT was first synthesized in 1874 by the Austrian chemist named Othmar Zeidler.
If the doctor recommends dialysis
for someone who has kidney disease and he goes for a home-treatment option, he most
likely chose hemodialysis. Home hemodialysis (HHD) is the option that offers
freedom to be treated outside of the dialysis center.
Answer:
Primary succession begins with soil formation. The first stage of succession involves pioneer species. In primary succession, pioneer plants are those that can grow without soil, such as lichens. Lichens begin breaking down a rock.
