Which of the following employs the use of an external combustion engine?

steam boat

coal-fired locomotive

nuclear power plant

all of the above

Herbivores are generally considered autotrophs or heterotrophs?

Wilhich features of the ocean floor are found in the open ocean?

What characteristic of cancer cells allows cancer to spread to other areas of the body?

What organelle is capable of transforming solar energy into chemical energy

Which of the following accurately describes an effect of smoking? A. Smoking damages cilia in the trachea and more particles enter the lungs. B. Smoking lowers blood pressure. C. Smoking enables hemoglobin to carry more oxygen. D.

Five disease of the kidney

The primary organs of excretion are the A. heart and lungs. B. lungs and kidneys. C. kidneys and liver. D. liver and pancreas.

What is the role of DNA ligase in the elongation of the lagging strand during DNA replication? A) It synthesizes RNA nucleotides to make a primer. B) It catalyzes the lengthening of telomeres. C) It joins Okazaki fragments together.

Which type of cytoskeletal element is described as a solid

Energy related usage in the United States makes up nearly what percentage of human-caused greenhouse emissions? A 57% B 63% C 72% D 85%