Answer:
To learn how to reproduce, how you get your traits, and genes, gene mutations, and other /good/bad stuff.
Explanation:
Use less plastic, recycle, reuse, clean water
Their families require extra help on the
family farm.
Answer:
Binary systems are the easiest, where there are two stars in a solar system instead of one.
Explanation:
When there are two stars in a solar system, instead of one, the stars orbit each other. Astronomers can measure quite a bit of information about the movement of the stars. This includes how fast they travel around each other and how often they fully orbit each other. From this information, the mass can be calculated. Note that this information can then be used to estimate the masses of other stars that fit the same type of categories in solar systems with a single star.
Answer:
2.List and describe each of the characters of the story. please brainliest