Genetically engineering endangered keystone species that are vital to the environment to be more resilient against harmful predators and/or toxins, pathogens, etc.
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Answer:
Earth is on a tilted axis.
Explanation:
I examine the same second hand on the clock. Again, there are two points called A and B on the clock, with A farther from the center than B. "The angular acceleration for both points is 0" is true.
Answer: Option C
<u>Explanation:</u>
The clock is in rotator motion. All the three hands of clock, move in same direction, but different speeds. And hence, we count hours, minutes and seconds. And, when we take each hand, they move related to the centre of the clock, where all the three are attached.
So, there is a centripetal acceleration which depends upon the velocity. But, the motion is uniform everywhere in the circle. The hands have no tangential acceleration. And hence, there is no angular acceleration, which is derived from tangential one. So, at any point, the angular acceleration is zero.
