Stream gradient is constant along the course of a river

Indicate whether the statement is true or false


False

Environmental & Atmospheric Sciences

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Use the laws of conservation of matter and energy to describe the consumption of fuel by a car. That is, what are the inputs and outputs of matter and energy? (Note: Gasoline is a mixture of organic compounds containing carbon-hydrogen bonds.)

What will be an ideal response?

Environmental & Atmospheric Sciences

Coral reefs contain about ________ as much algal biomass as animal biomass

A) four times B) half C) one fourth D) three times E) twice

Environmental & Atmospheric Sciences

Cobalt-60 is a radioactive isotope sometimes used in the treatment of cancer. Which of the following statements is true about an atom of cobalt-60?

A) It contains 27 neutrons. B) It contains 27 protons. C) It contains 60 neutrons. D) It contains 60 protons.

Environmental & Atmospheric Sciences

A black walnut (Juglans nigra) emits a chemical that may kill or inhibit the growth of other nearby shrubs or trees without harming itself. This is an example of which symbiotic relationship?

A) Parasitism B) Mutualism C) Commensalism D) Amensalism

Environmental & Atmospheric Sciences