Why is river water less clear at the mouth than at the source?

a. because the mouth is warmer

b. because the source is colder

c. because the mouth has debris

d. because the source is warmer

For weathering and erosion to occur, what process will the rock usually go through first or at the same time?

Two patients are being seen for pneumovax revaccination. the first patient is 66 years old, a known diabetic, and received the first dose of the vaccine at age 60.

Why are gills typically external and lungs typically internal? (you may enter up to 150 characters.) your answer?

A chemical reaction in wich oxygen is combined with another substance

The Baltic Sea has very low dissolved oxygen content. What kind of condition prevails in this sea?

Why is rock weathering generally reduced in the desert environment? A. rocks are very scarce in deserts. B. most rocks are buried deep within the soil. C. moisture is lacking and organic acids are scarce. D. the soil is so well developed.

What are some factors other than acid rain that can lead to weathering

What can you conclude from the fact that the human population is so much larger today than it was 200 years ago

Which system is responsible for providing movement of the body? a. respiratory b. circulatory c. muscular d. digestive

In which stage of development does the child undergo astoundingly rapid change, and increase some 20 times in size, including dramatic changes in proportion and weight?