Answer: The statement is false
Explanation:
Addition of concentrated sulfuric acid (H2SO4) to a beaker full of water (H2O) will release heat energy to the containing vessel due to the breakage of strong ionic bond present in the acid.
Thus, it is an evidence of a EXERGONIC REACTION (since energy is released spontaneously). So, the statement is false
Answer:
Gases, liquids and solids are all made up of atoms, molecules, and/or ions, but the behaviors of these particles differ in the three phases.
Explanation:
gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern.
Because the stomach is lined by a mucous membrane (the gastric mucosa)
The answer is D because bacteria is one or more cells.
<u>Answer:</u>
The correct answer option is B. Green wavelengths are the least used in photosynthesis.
<u>Explanation:</u>
Plants have a pigment in them called as chlorophyll. This chlorophyll is able to absorb only certain wavelengths of the light within the light spectrum.
From that visible light spectrum, chlorophyll is only able to absorb light of red and blue wavelength. The green light is not absorbed by the by chlorophyll as it is reflected back.
Therefore, this reflection of green light makes the leaves to appear green.
