Which would least likely have an impact on global climate changes?

A. producing energy using hydroelectric plants

B. producing energy using coal

C. producing energy using oil

D. producing energy using natural gas

When things pull apart it is known as A. Gravity B. Expansion C. Kepler's Law D. Explosion

What is the result of cell division? a. one daughter cell with double the DNA of the parent cell b. two daughter cells with double the DNA of the parent cell c. one daughter with half the DNA of the parent cell d.

Tall is dominant to short in peas. A heterozygous tall pea plant is crossed with a short plant. What percentage of offspring are predicted to be tall?

Grass necessary to support this ecosystem needs 10 acres it grow but this field has been reduced to 5 acres because a developer has build houses on the other 5 acres explain what the result of this development will be on each of the trophic levels

Disease or sickness is caused by microorganisms that grow rapidly between 41 and 140 degrees Fahrenheit. True or False

Ice wedging is an example of which type of weathering? A) Chemical Weathering B) Surface Weathering C) Mechanical Weathering D) none of the above (It's C)

Which of the following is correctly paired with its function? a) sensory somatic nervous system-controls skeletal muscles b) autonomic nervous system - creates voluntary response to stimuli c) parasympathetic nervous system - controls body response

Which of the following would be true of a plant heterozygous for a single gene controlling flower color? (Assume complete dominance).

How do the population in an ecosystem depend on each other

Which statement describes the formation of our sun? A disk formed of long trails of stars coiled into a spiral. It formed an elliptical flattened disk. Heat and gases contracted within a nebula. Gravity pushed stars away from a center core.