Answer: A. Mechanical Energy
This is called the "sensate focus" exercise.
Sensate focus is tied in with touching and being contacted. Numerous couples ponder as energizing as wet sand, however in all actuality the craft of contacting and the specialty of being contacted have significantly more to them than a great many people figure it out. One of the methods for augmenting the capability of sensate focus is to start with no assumptions of what you will feel, how great it will be, or how much delight it will create. At the end of the day, regardless of whether the thought doesn't appear to be exciting, you have to begin with a receptive outlook about it, in light of the fact that generally your desires tend to shading your experience and sentiments.
It is called "fecundity".
Fecundity is the potential for multiplication of a creature or
populace, estimated by the quantity of gametes (eggs), seed set etc. Fecundity is
like fertility, the regular ability to create posterity but not same. An
absence of the ability of being fertile is called infertility while an absence
of fecundity would be called sterility.
Answer:
Could you write the proper question?if it is the question then the answer is 40 to 50 million years ago.