A large asteroid or comet impacted the earth.
Answer:
The villi in the small intestine provide a large surface area with an extensive network of blood capillaries. This makes the villi well adapted to absorb the products of digestion by diffusion and active transport.
Explanation:
Answer:
no
Explanation:
a minnow is a small freshwater Eurasian cyprinoid fish that typically forms large shoals.
Answer:
Explanation:
Science is the study of the nature and behaviour of natural things and the knowledge that we obtain about them. A science is a particular branch of science such as physics, chemistry, or biology. Physics is the best example of a science which has developed strong, abstract theories.
Five key descriptors for the scientific method are: empirical, replicable, provisional, objective and systematic.