D. <span>controlled
is the right answer because a</span><span>n </span>experiment<span> in which an observer tests a hypothesis by looking for changes carried by alterations to a variable.</span>
Structure - The jelly-like substance composed of mainly water and found between the cell membrane and nucleus. The cytoplasm makes up most of the "body" of a cell and is constantly streaming. Function - Organelles are found here and substances like salts may be dissolved in the cytoplasm.
Answer:
b
Explanation:
its b because it doesnt say any else then 15 or any clues so its tryna trick u
Answer:
Explanation:
Out of the 25 elements found in living things, 19 of them can be found in some organisms but not all.
There are 25 elements that living things on Earth need to survive. Out of all these 25 however, only 6 are needed by all living organisms universally. They include:
Carbon
Hydrogen
Nitrogen
Oxygen
Phosphorus, and,
Sulfur
In conclusion, this means that 19 elements can be found in some living things but not all of them while 6 can be found in all of them.