Which of these elements has the lowest standard reduction potential?

A. chlorine

B. iron

C. lithium

D. zinc

Which of the following requires energy? Passive Transport Facilitated Passive Transport Active Transport Osmosis

Which of the following statements is true? A. Our galaxy contains many billions of universes, and each universe contains many billions of stars. B. The universe contains one galaxy, which contains about three million stars. C.

The epidermis of the skin consists of many layers of tightly packed cells. The outermost layer of cells are dead. Which best describes why this occurs? a.

1. What process happens in the mitochondria?

Why do sex linked traits follow different patterns of inheritance that other traits?

A student reads the following text in a science book: Scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound The student is instructed to illustrate this information in a science book.

What does the chloroplast produce during the light independent reactions of photosynthesis?

Chemical composition describes? A. The types of atoms that make up a sample of matter B. The arrangement in a sample of matter c. All of the above

During the water cycle, water evaporates from plants through a process called transpiration. which of these is a similar process during the carbon cycle?

How much is the tilt of earth's axis?