why is cigarette smoke harmful to the body

How is it possible to tell one element from another? Question 8 options: Each element is visibly different from all other elements. Each element is made of a different number of atoms. Each element has unique properties.

Explain why bacteria are the most important part of the nitrogen cycle

How do cells get energy to perform their necessary functions

Ten percent of energy is transferred from one level to the next level on the energy pyramid. What happens to the other 90% of energy? A. It is stored as fat. B. It is given off as heat. C. It is stored as a protein. D. It is used in reproduction.

Which of the following waves, from electromagnetic spectrum, how does the word energy? a. radio wave b. visible light waves C. infared waves d. ultraviolet waves

A species displaying which of the survivorship curves is likely to produce the most offspring?

When comparing dogs to wolves, scientists found evidence that supports the idea they come from a common ancestor.

Riddle: I'm mostly made of water, but that's not all. I fill up the cell, from wall to wall.

The process by which the information contained in RNA is used to build a protein is called replication. synthesis. translation. transcription.

Seedless bananas were probably first caused by a blank