How do whales, bats, and dolphins use echolocation?

To scare away predators

To orient themselves and to find food

To attract mates

To tell other animals of their species where they are

Which compounds are electrolytes? (1) C2H5OH and H2SO4 (2) C2H5OH and CH4 (3) KOH and H2SO4 (4) KOH and CH4

One of the excited states of a C2 molecule has the electron configuration: (σ1s) 2 (σ1s*) 2 (σ2s) 2 (σ2s*) 1 (π 2p) 4 (σ2p) 1.

What does the constant bombardment of gas molecules against the inside walls of a container produce?

Urgent! How does a model differ from a law or a theory? a. Models are universal c. Theories are only accurate under limited conditions b. Models are for all situations d. Models are only useful in limited situations

Which radioactive element is used as a fuel in conventional nuclear power plants? uranium radium thorium plutonium

What does it mean when there are 2.3 x 10-4 moles?

Electric force is an A. attraction and repulsion between protons and electrons . B. attraction and repulsion between protons and neutrons. C. attraction and repulsion between neutrons and electrons.

A salt crystal has a mass of 0.18 mg. how many nacl formula units does it contain?

Which of the following is easist to accelerate? A. bowling ball B. tennis ball C. golf ball D. ping pong ball

Fish need at least 4 ppm dissolved o2 for survival. part a what is this concentration in mol/l?