Clams, oysters, corals, and some plants make their skeletons of minerals and form ____________________ sedimentary rocks
Fill in the blank(s) with correct word
biochemical
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The majority of countries in the core are not expanding their nuclear power capabilities
Indicate whether this statement is true or false.
There are two types of nuclear reactions that can release energy. In the first, smaller atoms combine to make a larger atom; and in the second, a large atom is split into fragments. Which of the following about the two types of reactions is true?
A) Both types of reaction are forms of nuclear fusion. B) Both types of reaction are forms of nuclear fission. C) The first is nuclear fusion, and the second is nuclear fission. D) The first is nuclear fission, and the second is nuclear fusion.
In the healthy environment of a sustainable soil,
A) the levels of humus steadily decline, but the aeration increases. B) sandy or silty soils are steadily converted to clay soils. C) abundant populations of bacteria are steadily replaced by mycorrhizae. D) the humus-forming processes of topsoil is renewed by the addition of detritus and humus.
If other factors are constant, an increase in humidity will lead to an increase in the rate of perspiration evaporation from skin
Indicate whether the statement is true or false