Answer:
Rays having same endpoint E but not in the opposite directions are ED and EC. This pair of rays meet at point E having different directions.
Colonies of cyanobacteria benefit aquatic organisms because they can be an important source of food to organisms.
The problem with cyanobacteria is that they can be harmful and in an alga bloom then can cover the surface cutting off any light to other plants and producing toxins that kill fish and other life forms.
Answer:
Photosynthesis
Explanation:
The chloroplast creates glucose and oxygen, also the chloroplast has chlorophyll.
The answer is B. The specific heat means the heat amount the substance needs to absorb when the temperature increases 1℃. The high specific heat means that it needs a huge amount of heat when increase just 1℃. For A, the dissolved salts can help decrease the freezing point.
