when we add hydrochloric acid in the work up step to the reaction a gas is observed. what is the composition of the gas?

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist

Is a pencil falling to the floor anon contact force, a force, or a contact force

Chromosome 17 is made of over million base pairs.