This is called erosion, whats happening is water is decomposing parts of the rock at a time by going down from tiny holes in the rock then decomposing.
Hope I could help. :)
Answer:
In biology, fitness can be described as the ability of an organism to survive in a particular environment and to reproduce and pass on its traits to its offsprings.
According to Darwin's idea of evolution, those organisms have greater fitness which are better adapted to live in an environment and which can adapt to changes in an environment. These organisms then pass their characteristics to their offsprings.
1) A 2) B
Explanation:
Enzymes are catalyst, meaning that they could be use in several reaction and they speed up any chemical reaction rate. So knowing this, when the animal have more enzymes it will react more quickly with the food, making it digest the food more quickly.
Hope the help, cheers
The impact craters on the moon are created by collisions made by other asteroids many thousands of years ago
Energy changes forms from heat, to kenetic, to potential energy. However, the total energy is the atmosphere is conserved, meaning energy can only change forms, but cannot be produced.