A controlled experiment is a type of experiment which only changes one variable at the time. An univariate controlled experiment is known for changing only one variable, there are also cased of controlled experiments where multiple variables get changed (multivariate controlled experiments) and in such cases multiple things will change.
Answer: The correct answer is- Chlorophyll a.
Chlorophyll is a green pigment that is found in the chloroplast of green plants and algae.
Chlorophyll a is considered as the primary pigment for photosynthesis as it is present in all photosynthetic eukaryotes.
In the first phase of photosynthesis (formation of food using carbon dioxide and water in the presence of sunlight), which is a light dependent phase, chlorophyll absorbs the solar energy and converts it into chemical energy in the form of ATP, and NADPH.
This energy is further utilized in the next phase (that is a light independent phase of photosynthesis) in formation of food (glucose) .
When the disease has been throuh you or you had your vaccination done. The immune system recognize the disease and make antibodies.
Answer:
i believe it would be the first option
Explanation:
The signs that earthquakes may occur is.. Foreshocks, Changes in temperature, and Magnetic properties of rocks, Animal behavior,