The stem cell controversy is the consideration of the ethics of
research involving the development, use, and destruction of human
embryos. Most commonly, this controversy focuses on embryonic stem cells.
One animal that has greatly benefited form natural selection is the giraffe. It's neck has grew longer and longer so that they can reach the leaves on the top of trees.
If you’re trying to figure out if it’s true or false it’s true
<span>Most protist diseases in humans are caused by protozoa. Protozoa make humans sick when they become human parasites. Trypanosoma protozoa cause Chagasdisease and sleeping sickness. Giardia protozoa cause giardiasis, and Plasmodiumprotozoa cause malaria.</span>
Answer:
Both are caused by heating.
Explanation:
heat cooks things and melts things.