Explanation:
The similarity between tropic and nastic movement is - both are the result of external stimulus and the difference between tropic and nastic movement is the direction of the response is not dependent on the direction of the stimulus in the case of nastic movement but in the case of tropic movement, the response is dependent on the moment.
X=2
Do you want a reason why I got what I did?
Answer:
I think you answered your question but if not A
Explanation:
All the other answers are just dumb
•won’t get pregnant
•won’t get sexually transmitted diseases
Venus and Mercury have no satellites