It’s called mirror universe
The correct answer is option #4. The greatest obstacle to developing solar energy is large areas required to collect sufficient energy. Solar energy is the energy that is the sun is producing and being converted into thermal energy that can be used for everyone's daily lives.
Answer:
A
Explanation:
An object in motion will stay in motion unless acted upon by an external force.
Say you rolled a ball on the ground, eventually it will stop because of friction and gravity
It makes it easier to dig a hole because it helps pick up dirt
Im pretty sure the answer is mutations in the DNA of genes because i believe the other 3 are correct
