Answer:
Option D- 1,2 and 3
Explanation:
Gravity always acts on an object irrespective of height
Answer: The riders are subjected to 11.5 revolutions per minute
Explanation: Please see the attachments below
Answer:
B
Explanation:
nothing to do with black holes creating star or related
Answer:
No, because she is hoping that people will vote for her.
Explanation:
Altruism is when you do something for others and have very little expectation of getting something in return. In this case, Janetta expected something in return from her friends. We may not also be sure of the sincerity of Janetta appreciating friendship. From the above definition of altruism, we conclude that Janetta's actions are not altruistic because she hoped that people will vote for her.
False. solar comes from the sun while wind energy comes from the wind. hope this helps!