Answer:
I'm pretty sure the first one is c. The second one is b.
Explanation:
Answer:
a series of pools built like steps to enable fish to bypass a dam or waterfall.
Explanation:
A fish ladder, also known as a fishway, fish pass or fish steps, is a structure on or around artificial and natural barriers to facilitate diadromous fishes' natural migration.
Explanation:
To calculate the total magnification , of the binocular microscope -
The image of the object under observation only go via only one ocular and then travel to both our eyes ,
And the arrangement of lenses of the binocular is in way , that they are kept side - by - side and are not in a proper alignment with each other .