Answer:
its (a)
Explanation:
<h2>A tissue is a group of red blood cells of common origin which are structurally similar and perform a particular function. Organ is a group of tissues and organ system is a group of organs.</h2><h2>Therefore, the correct answer is option A.</h2>
<h2>hope it helps you.</h2>
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Answer:
When fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air. Greenhouse gases trap heat in our atmosphere, causing global warming. Already the average global temperature has increased by 1C.
Explanation:
Answer:
The key difference between cell and atom is that a cell is made of molecules whereas atoms make up molecules. Cells are the smallest functioning unit in a living organism. ... Hence, an atom is the smallest unit of matter.
It originally comes from C. DNA
Hope this helps!
