Answer: I agree with Camila because a lot of waves go through matter, but not all waves do like Electromagnetic waves is one of them. Not all waves need matter. :D
Correct answer: A) A small structure within the cell that serves specialized functions
Organelles are small,specialized structures found inside the cell which perform a specific task and help in the functioning of the cell.
Organelles are known to be found in all the eukaryotic cells. There they serve a essential and specialized functions such as making proteins, getting rid of waste, harvesting energy etc.
Example: Mitochondria, endoplasmic reticulum, nucleus etc.
Answer:
C but Humans burning fossil fuel is number 1
Nucleic Acids store genetic information
I would say true, because both abundant thick vegetation and there are 3 known types of grasslands, also that many diffrent species of animals live on the grasslands.
