Number 4 I think
the atomic mass is 11 because the mass is the sum of protons and neutrons
When one body(sun) exerts a force on a second body(planet), the second body simultaneously exerts a force equal in magnitude and opposite in direction of the first body. Which makes the planet orbit in path C.
Hope this helps!!
Answer:
Explanation:
height of Ellipse 
i.e. 
Width of Ellipse 
i.e. 
Equation of a vertical Ellipse is
at 
Properties of electromagnetic radiation and photons. ... we find the types of energy that are lower in frequency ( and thus longer in wavelength) than visible light. Seeee
An organ is a group of two or more tissue. They function to maintain homeostasis in the body (keep the person alive) all body systems work together to perform functions (switching between throat and windpipe etc)
