HELP ASAP ! 15 points When the amplitude of a longitudinal wave is increased, what happens to the particles in air as the wave passes by ?

1. The particles compressions get compressed more

2. The particles in rare fractions spread out more

3. Both

4. Neither

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

The transport tubes for food coming down the plants are called?