If the pattern below follows the rule "Starting with one, every consecutive line has a number that is one more than twice the previous line," how many marbles must be in the sixth line?

What is the result of the greenhouse effect? a. heat is deflected from the atmosphere. b. heat is released from the atmosphere. c. heat is kept in the atmosphere. d. plants are able to grow in the tropics where the air is the heaviest.

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals

Describe the characteristics of the nile river and the river’s importance to the people of egypt. write a paragraph of at least 5 complete sentences.