What does not produce any digestive enzymes.
a) Liver
b) Stomach
c) Pancreas
d) Salivary gland

Aperson travels 35 km in 0.4hrs, followed by 53 km in 0.6 hr. what is the average speed

How water is moving through the ecosystem ?

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of