Answer:
1. It was a control variable
2. Type of insulation
3. Temperature
4. Plastic lids <em>or </em>Water <em>or </em>Half Full <em>or </em>Direct Sunlight
That element is <span>Nitrogen.</span>
<span>Atherosclerosis is a common cause, because there is a lack of blood flow in the person's body, and this can cause a male to be impotent.
Diabetes is also a common cause because once again it causes less blood flow.
In a younger man, a cause could be anxiety. This is because nervousness and being anxious can lessen blood flow.
If you have choices, I suggest choosing one that has to do with less blood flow happening, which that is the main cause.
I hope that this could possibly help you with your studies, and have an amazing day. If you have any more questions, send me a pm. </span>
Answer:
1. Cell Wall
2. Amount of Vacuoles
3. Plastids
4. Size
5. Plasmodesmata
Explanation:
1. Animal Cells dont have cell wall, while Plant Cells do.
2. Animal Cells contain many/ multiple vacuoles, while Plant Cells only contain one.
3. Animal Cells dont have plastids, Plant Cells do have (eg. Chloroplasts)
4. Animal Cells are larger in comparison to Plant Cells
5. Animal Cells dont have plasmodesmata while Plant Cells do have.