Why do some people argue that scientist should not use embryonic stem cells un medical research

What came first egg or chicken? and is tomato a vegetable or a fruit?

The term used to describe a disease-causing microorganism isa. virus.b. infection.c. pathogen.d. microbe.e. bacterium.

How does deforestation affect the water cycle? a. it increases the amount of runoff b.it increases the amount of percolation c. it increases the amount of transpiration d. it increases the amount of precipitationa it increases the amount of runoff