Which of the following statements supports the concept that organisms are still evolving?

the increasing population of humans.
the decreasing number of fossils found in rock.
the increasing need for new antibiotics and medicines.
the decreasing number of new species being discovered.

How will the emission of an alpha particle affect the atomic number of an atom

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these