Gravitational field strength on the moon is 1.63 N/kg. of a rock on the moon weighz 2000N, what is the mass of the rock?

What organelle releases energy in the cell

Is it true or false that You do work only when you exert a force on an object and move it.

Which of the following best describes elements of a stable ecosystem A. the cyclical increase and decrease of a population of algae in a lake B. a sudden decrease in a predator population in a forest C.

How are observation and experimentation related?

Which description of property of water is not correct? A. water is made of two hydrogen atoms and one oxygen atom combined in a weak iconic bond which breaks down easily B.

What did Mendel conclude about inherited traits? A) One factor controls each inherited trait. B) Two factors controls each inherited trait. C) Multiple factors control each inherited trait.

Does stigma associated with obesity influence your medical or policy decisions

Which best describes cosmic microwave background radiation? radiation thought to exist but not yet measured radiation predicted to exist in millions of years radiation that existed before the big bang leftover radiation from the big bang

The betta fish flared its gills for 8 seconds. what kind of observation is this?

Which structure of the female reproductive system serves as the narrow opening of the uterus that extends into the uterus?