A mixture is different from a compound because in mixtures the substances are

A. chemically reacted with each other

B. attracted to each other by covalent bonds

C. not chemically bonded

Professor Jones surveyed her six classes and found that students who slept less than 5 hours the night before an exam received lower exam scores than those students who slept 7 hours or more.

What is a fungus? Describe what would happen if fungi did not exist.

Which are not vascular seedless plants? select one of the options below as your answer: a. clubmosses b. horsetails c. liverworts d. ferns

If an animal cell that has 0.06% sugar solutio inside is placed in a beaker with 10% sugar solution, which way will the sugar move?

Does an earthworm have an open or closed circulatory system explain

Which of the following would most likely employ a forester? A. a state governments B. lumber businesses C. national govemments D. all of the above

How do environmental scientists use technology to track polar bears?

A rock formed from liquid magma at temperatures above 1000 degrees Celsius and the. Cooked and hardened what type of rock is it

You sample a population of butterflies and find that 56% are heterozygous at a particular locus. What should be the frequency of the recessive allele in this population? A. 0.07 B. 0.08 C. 0.09 D. 0.70

If there is a mutation in a zygote, where is it likely to be found in the fetus? A: The mutation will show up in any fetal cells formed by mitosis but not in those formed by meiosis.