Sand and glass have different chemical formulas, so that means that the atoms are rearranged and this is a chemical reaction.
Answer:B
Explanation:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
This is because,
If the probes are identical, then the one that feels a larger gravitational
force is orbiting closer to Jupiter than the other one is.
<h2>
Answer</h2>
Tertiary Consumers get least amount of the energy.
<h2>
Explanation</h2>
In an ecological pyramid less energy is available to organisms in the upper level because each organism releases some of the chemical energy as food and to the air as thermal energy .Therefore primary consumers get almost 10% of autotrophs prduced energy. The second consumers in the pyramid get 1% from primary consumer. In the case of tertiary consumers, they get only 0.1%. Hence the top consumer of a food pyramid receives the least energy.
