Amixture is what you get when you combine two substances in such a way that no chemical reaction occurs between the components. a solution is a mixture that looks exactly the same everywhere. which of these mixtures is not a solution?
a) a glass of apple juice.
b) a chocolate chip cookie.
c) a mixture of salt and water.
d) a mixture of sugar and water.

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical?

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism