Climates near the equator are warmer than at the north pole because .
a. the sun rays have greater energy at the equator.
b. the suns rays are more concentrated at the equator.
c. ice at the poles absorb sun-rays
d. the equator is near a low pressure-belt

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

Consider the skeleton. which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton

What is the ecological role of food chains and food webs