IM IN EXAM Plz Running water in a stream or river can change the Earth's surface by (Select all that are correct.

A Moving sediment from
upstream to downstream

B Depositing the most sediment at the head of the stream

C Moving sediments uphill

D Eroding land and creating curves in the stream

How does the study of genetic disorders such as pku biologists understand normal alleles?

The response is the basis for vaccination. primary secondary tertiary none of the above

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.