Which of the following statements is true?

Sound vibrations are changed into electrical impulses by the eardrum.

It is dangerous to listen to sounds over 160 dBs.

High-pitched sounds have low frequencies.

All of the above.

How will the level of carbon in the atmosphere change if humans do nothing to reduce their impact on the carbon cycle? Carbon will be removed from the atmosphere altogether. The level of carbon in the atmosphere will decrease.

A communication channel a. is anything that interrupts the transmission of a message. b. includes only digital means for transmitting messages. c. is the medium over which the message travels. d. should be selected before idea formation.

Define and distinguish between health and cure

After a volcanic eruption, moss starts growing on the shady side of some newly exposed rock. How does the moss impact the biodiversity of animals in the area? A. It increases animal biodiversity by stabilizing the rock it grows on. B.

Which reactions in glycolysis are physiologically irreversible?

Based on the data collected the highest rising bread would use yeast warm water and the addition

Explain how organisms contribute to fossil fuels.

Organisms that break down complex compounds and dead tissue are

Which is an example of dehydration synthesis? A.) DNA synthesis from nucleotides B.) conversion of proteins into its amino acids C.) conversion of lipids into fatty acids

Making chemical energy from light energy is called cellular respiration. True or false