The himalaya mountains were formed in a collision at a
a. fracture zone b. transform c. convergent d. divergent

They were formed at a convergent boundary so the answer is (C).

If you remove all the lions from the savanna it will lead to a increase of gazelle and a increase of cheetahs becasue of no competition

No because the eaeht is on a 23.5 degree axis tilt and so when it is winter the northern hemisphere is pointing away from the sun and the soutubern hemisphere is pointing toward the sun