Which mineral will NOT scratch quartz?

A. talc

B. topaz

C. diamond

D. corundum

Using a punnett square explain why males are affected more often than females by sex linked genetic disorder.

Why is water clarity an important measure of water quality A clear water does not contain nutrients B Underwater plants cannot get enough sunlight in cloudy water C Fish don't get enough light when water is cloudy D Boat captains need to see the

People increase erosion in forested areas by A) tilling the soil. B) polluting the air. C) cutting down trees. D) planting invasive species.

In what respect are the photosynthetic adaptations of c4 plants and cam plants similar

Why are habitats limited resources? how might their destruction affect the long-term survival of species?

Which of the following must exist in a population before natural selection can act upon that population? A. genetic variation among individuals B. variation among individuals caused by environmental factors C.

What do rabbits like to eat?

5) Nerves and blood vesselsthat service a muscle fiber arelocated in the connectivetissues of itsA) myofibrils. B) sarcolemma. C) sarcomere. D) endomysium. E) perimysium.

What organism produces botox? a. e. coli c. l. leo b. h. sapiens d. c. botulinum?

When is phosphorus released back into the earth A) after they die B) when they release their waste c) after volcano