Which of these is an environmental cost of fossil fuel consumption?

The single greatest threat to biological diversity is: A. the introduction of foreign species. B. air pollution. C. overexploitation. D. habitat loss. E. water pollution.

What type of chemical change occurs when we breathe

After stranuous exercise sore muscles can often occur because of? -a stretching of the muscle tissue -too much oxygen in the blood -a build up of lactic acid in the tissues -too much glucose in the blood

sexual reproduction in the parent cell will result in offspring with A) identical genetic information. B) half the genetic information. C) double the genetic information. D) four times the genetic information.

Your psychology professor argues that dreams represent an attempt by the cerebral cortex to make sense of the random discharges of electrical activity that occur during REM sleep. What perspective best describes your professor's comments?

Select the correct answer. Which term refers to a fact that naturally occurs in the universe? A. scientific law B. scientific inquiry C. conclusion D. hypothesis

The process of moving water from its source to some place where humans use it, such as homes and farm fields, is called

When Charles Darwin published the Origin of Species, he provided evidence for which of the following concepts related to evolution? (choose all that apply) a. descent with modification as a process for speciation b.

Which animal group has mostly live births?

What are the stages of the plant life cycle