The TEM is a form of electron microscope in which an image is derived from electrons that have passed through the specimen, in particular one in which the whole image is formed at once rather than by scanning. The specimen is placed in a vacuum.
A,
oxidation is when a molecule loses electrons.
<span>in this case, water is losing an electron and CO_2 is gaining an electron, which then makes it an energy rich sugar molecule</span>
Answer:
Option-II and III
Explanation:
The wastewater produced by humans like from the human toilets is dumped into the flowing river bodies mostly in rivers and in the lakes also.
The human wastewater is rich in the nutrient contents like the phosphorus, nitrogen, and potassium. These nutrients could be accumulated in the lakes which could cause eutrophication in the lakes and rivers.
Also, the human stool sump is rich in the disease-causing pathogens like the bacterial species present in the gut and intestine.
Thus, Option-II and III are correct.
<span>body composition is used to describe the percentages of fat, bone, water and muscle in human bodies.
Hope this helps!
-Payshence xoxo</span>
Convection is a type of heat transfer that occurs
in molecules. It refers to the collective movement of molecules within fluids
and rheids (non-molten solids). Convection happens through the process of
diffusion, advection, or the combination of both. Therefore solids cannot
undergo this process because bulk current flows and significant diffusion
cannot take place within the molecules of solids. Aside from this, solids have
bigger molecules that are too compact and cannot move freely unlike fluids do.
<span>
Convection can best be seen through an experiment
when a glass of water is exposed to a heat source. The change in temperature in
the glass causes warm fluid to move into cooler areas which causes it to boil
and bubble. </span>
