Which group does the following marine animal belong to? Picture of walrus

A.
Pinniped
B.
Cetacea
C.
Charadriiformes
D.
SquamataWhat is the first step in any scientific process?

This is the process of making a prediction based on the results of prior observations of similar events.

Identify the structures ! 20 points

The source of energy shown in the image is (renewable, non renewable, polluting) a drawback of building a dam is that (it will destroy ecosystems, it requires fossil fuels, it won’t be useful for irrigation)