I guess it will be C: atoms and molecules because according to Jhon Dalton's
atomic theory :"all matter is made up of atoms"
and even if we think of other options think it by urself that not all matter is made up of them
Proteins are macromolecules that are made up of the subunits that are called amino acids, there are 20 fundamental kinds of amino acids present. These varying combinations of them make different proteins needed for numerous functions.
Answer: c. The Earth’s surface is responsible for a small fraction of heat radiation to space.
Explanation:
In later ages the large amount of sun's energy is reflected back by the terrestrial surface back to the space. But now due to the abundance of large concentration of greenhouse gases in the atmosphere is responsible for the absorption of thermal energy from sunlight by these gases causing the atmosphere to be hot. This is the reason of global warming. Now only small fraction of heat is radiated back to the space.
<h2>Plant cell:-</h2>
- plant cell have a well defined nucleus.
- plant cell have plastid.
- plant cell has a thick covering of wall.
- plant cells have many other organelles.
<h2>Prokaryotic cell:-</h2>
- prokaryotic cell has no nucleus.
- it do not have plastid.
- prokaryotic cell don't have any thick covering of wall or membrane.
- it has no organelles body.
Answer:
Your answer would be:
A blood clot occurs when there is damage to a blood vessel.
Explanation:
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