Before the evolution of life produced the process of photosynthesis, small amounts of oxygen were added to the earth's atmosphere by the process of

Chemical weathering in bedrock below the land surface often begins along joints and sheeting fractures. True False

What are three abiotic factors that the number and types of organisms in an ecosystem depend on?

How does fossilized carbon get back into the atmosphere? (2 poic) living organisms need nitrogen to build proteins and nucleic acids, but nitrogen cannot be used by plants in its gaseous state.

Color blindness is a sex-linked recessive trait. A mother with normal color vision and a color blind father have a color blind daughter. Which statement is true about the offspring?. A). All of their daughters must be color blind ... B).

Which geologic feature is not related to sinkholes (but can form due to similar processes) ? select one: a. karst b. lake c. cave d. geyser?

Which best describes how mRNA is put together

Seeking shelter from the cold is an example

Which equation below is a direct variation? A. 1/6x=y B. x + 2 = y C. y + 2 = x D. y = 2x + 6

Which type of mutation occurs in respective cells and can be passed to offspring

Scuba Steph went scuba diving today. As she swam deeper into the ocean, the temperature and density of the water changed. What changes happened? Temperature decreased; density decreased A. Temperature decreased; density increased B.