Multipurpose trees are useful for what purpose?
A) restoring wetlands and improving soil quality
B) improved pest control, as well as serving as a windbreak
C) providing fossil fuel sources and assisting with irrigation
D) providing additional products, as well as serving as a windbreak
E) water conservation and improved pest control
Ans: D) providing additional products, as well as serving as a windbreak
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How are the processes of artificial selection and natural selection similar and how are they different?
What will be an ideal response?
In India, golden jackals that have been expelled from their pack have been known to attach themselves to a particular tiger, trailing it at a safe distance in order to feed on the big cat's kills. What type of relationship exists between the jackal and the tiger?
A. mutualism B. predation C. parasitism D. competition E. commensalism Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about symbiotic relationships? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What is the difference between an electrically neutral atom and an ion?
a. An ion has an unequal number of protons and electrons, while a neutral atom has an equal number. b. An ion has an equal number of protons and electrons, while an atom has an unequal number. c. An atom has an unequal number of neutrons and protons, while an ion has an equal number. d. An atom has its electrons in orbitals, while an ion has its electrons in its nucleus. e. An atom must have an equal number of neutrons and electrons, while an ion does not.
A student poses the question: How does the presence of dissolved salt affect the freezing point of water? To answer this question, the student set up two conditions. In the first condition, the student added salt to water in a container and referred to this condition as the variable. In the second condition, the student did not add any salt to water in a second container and referred to this condition as the control. The student took both containers and attempted to freeze the water at various temperatures to assess the freezing point. Would this be a valid experiment?
A. Yes, because there is more than one variable. B. No because there is only one variable and a control C. No, because there is not more than one variable D. Yes, because there is one variable and a control