Which statement accurately describes nonrenewable and renewable energy sources a. they take millions of years to form and should be used responsibly b. they are quickly replenished c. they include fossil fuels and hydroelectric power d. they provide the majority of the energy of the united states

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.