Answer:
In the element (<u>n Na20)</u> the <em>2 </em>means that there are 2 oxygen atoms in the Sodium Oxide.
The speed of a chemical reaction when a catalyst is present is that it. A.) It speeds up
Structure A is used for (4) cell communication. The cell membrance has receptros for cell communcation.
Structure B is used to (1) extract energy from nutrients. The mitochondria is the power house of the cell.
Structure C is used for (1) protein synthesis. The golgi apparatus is where protein is created.
The correct answer is A. Experimental group
Explanation:
In experiments, the experimental group refers to the group of subjects that receives special treatment or in which the scientist or researcher intervenes. This is the opposite of a control group that does not receive treatment and therefore, it is used as a reference to measure the effect of the treatment.
This implies, in the experiment presented Group A is the control group as they do not have special treatment because they sleep normally and Group B is the experimental group as the researcher modifies their sleep time and reduces it two hours which means in this group there is a treatment or intervention.
Answer: One biome I learned would be the desert biome and how there are oasis and other things you can find there, etc...
Explanation:
