What are the two forces that act on the orbit of a planet? Orbits of other planets and gravity between sun and planet.
Gravity between planet and sun and the velocity of the sun.
Velocity of planet and gravity between sun and planet.
Gravity between the aphelion and perihelion.

1. a tropical dry forest carries out more rapid nutrient cycling

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

credit to kalahira

the supermassive black hole is in the middle of the galaxy.