Answer:
This is usually the first day of menstruation - the day when the uterus lining starts to be shed.
Explanation:
<span>c. only the fittest of sperm and egg combinations will survive.
</span>As opposed to external fertilization, internal fertilization ensures that
NOT:
a. the number of sperm and eggs produced will be equal.
b. all of the sperm will fertilize eggs.
d. sperm will be protected until they can unite with the eggs.
<span>e. sperm and egg will be released simultaneously.</span>
Igneous rocks are classified by particle size
Changes in the amount of sea ice can disrupt normal ocean circulation, thereby leading to changes in global climate. Even a small increase in temperature can lead to greater warming over time, making the polar regions the most sensitive areas to climate change on Earth
Answer:
D I guess because grinding optical glass and for polishing metals and has also been made into sandpapers and grinding wheels.
