Gases are less dense than solids. this is because, since density refers to how close the particles are together, in gases, there is more space for the particles to move, making it less dense than solids.
The correct answer is D. Plants growth increases in the spring.
This is because observations must be objective, meaning that all people would state the same idea. This is not true for options like A and B, which are popular opinions, but definitely could be argued opinionatedly rather than with evidence that could support option D.
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The next phase of the carbon cycle for the carbon source labeled A is fossil fuel emissions.
Photosynthesis occurs in plants, so this isn't the right answer. Ocean storage is in the ocean. Transpiration also has to do with plants.
Coronary vessels supply blood to heart muscles ..blockage in them will cause hypoxia in heart muscles which leads to heart attack
Red blood cells or white blood celss