129/64.5 = 2
2 is the rate of change / unit rate.
129 times 2 = 258
<span>The part of female reproductive system that is responsible for the nourishment, holding and protection of the embryo or fetus is the uterus, also known as the womb. It also provides support to the bladder, pelvic bones and other organs. </span>
The correct option is B.
Carrot can be described as a ground tissues because it is formed inside the ground in form of tap root. The remaining options are incorrect for the following reasons:
1. Animals can not make their own food because they do not have chloroplast not because they do not have vacuoles.
2. The main function of dermal tissue is protection from water loss not photosynthesis.
3. The cerebellum controls balance and coordination not cerebrum.
Out of the choices given, the step that caused an aerobic atmosphere during the history of Earth was the origin of photosynthetic prokaryotes. The correct answer will be D.