Through the analysis of the rotation curve of how the velocity of the planets from the sun differs when it rotates, people can measure the distribution mass.
Since the rotation curve decreases when the distance from the Sun is increasing, people can determine that Dark Matter is scattered along those distances.
Answer:
it is in quadrant 1 and I have to keep typing so it has 20 characters
Answer:
Yes,
Explanation:
Africa is poor country. There are many people live with family so hard.American regions population ruch man.
Answer:
B
Explanation:
asteriod belt is the circumstellar disc in solar system locwted roughly between the orbit og mars and jupiter.
The correct answer is A. An oak tree
Explanation:
The term "primary producer" is used to describe organisms that can produce their own energy without feeding on others, this includes plants and algae that produce food and energy through photosynthesis using light and other inorganic compounds. Additionally, the primary producers can be identified because in ecosystems they are always on the first level and they are eaten by others.
According to this, the one that is a primary producer is an oak tree because this is a type of plant and therefore can produce its food through photosynthesis different to others that need to feed on other organisms to obtain energy.
