Which of the following example shows the influence natural gas has had on human activity?
a: natural gas use to generate electricity has increased efficiencies for business owners.
b: natural gas use to generate electricity has increased cost of heating homes.
c: natural gas use to generate electricity has decreased the amount of electricity people use.
d: natural gas use to generate electricity has decreased the amount of goods businesses can produce.

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.

Which individual below would be considered heterozygous? a.dd b.dd c.dd

Describe surface tension in a group of bonded water molecules