Suppose a rock is sitting on a table. Which statement below best describes the forces involved? a. No forces are acting on the rock or table because neither is moving.
b. The rock is exerting a downward force on the table, but the table is not exerting a force.
c. The table exerting an upward force on the rock, but the rock is not exerting a force.
d. The rock is exerting a downward force on the table, and the table is exerting an upward force
on the rock.

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

Where do magnetic lines of force enter earth?

In the nineteenth century, gregor mendel first determined some basic rules of genetics that have been observed throughout all types of life. no observations have disproved these basic rules of genetics. charles darwin developed the idea of biological evolution around the same time, but he was unaware of mendel’s discoveries in genetics. over a century later, darwin’s idea of evolution was modified in order to incorporate mendel’s rules of genetics along with the other evidence that darwin had used. what is most likely the relationship between mendel’s rules of genetics and darwin’s idea of biological evolution? a.)mendel’s genetics states laws that are now part of the theory of biological evolution.b.)biological evolution states laws that are part of mendel’s theory of genetics.c.)mendel’s genetics replaced darwin’s entire concept of biological evolution.d.)biological evolution is a law that explains why all genetics exist.