A planet has an orbital period of 6.13 years. In two or more complete sentences, explain how to calculate the average distance of the planet from the sun and calculate it.

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers