What is the most common lipid characterized by a four-ring core structure found in animals?
Cholesterol
Hope this helps.
Answer:
Compound microscopes have more than one lens to generate high magnification images of flat, thin specimens. There are three major structural parts of a microscope: Head, Base, and Arm. ... The light is then collected and formed an image by an objective lens. We see the magnified images through the eyepiece
Explanation:
The answer top the question given above is letter c. Surface currents.
There are two types of ocean currents, surface current and deep currents.
Surface currents which are caused by winds,move warm water
away from the equator and cool water away from the poles. Deep currents on the other hand are driven by differences in water density.
Given the age of the meteorite is 4.5 billion years old with 78 atoms of lead-206 the answer should be B. 156. The half-life of uranium-238 in order to decay into lead-206 is 4.46 billion years, which means that the original number of atoms is 156.