If the Sun were replaced with a star with double its mass, how would that affect the force acting on the planets and their positions?

What is a coast of using technology to transport water? a. cities can be built in otherwise uninhabitable areas. b. crops can be irrigated and grown in new areas. c. floods can be averted in flood-prone areas. d. freshwater supplies can be depleted in an area.

What adaptations can prey use to avoid predation

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun