The lining of the uterus is shed because an ovum has not been fertilized
The more people the more waste that will be created so D
No. Medical progress is allowing us to progress and evolve in different ways. That is the only difference. Having medical progress and good medical care allows us to pursue different types of activites we wouldn't be able to pursue otherwise. This at the same time brings a different type of evolution.
Answer:
Ionic compounds
Explanation:
Ionic crystals are hard and brittle and have high melting points.