Which statement is true of magnets?
A. Earth is a permanent magnet with two poles.
B. Electromagnets cannot be turned on and off.
C. Electromagnets can be made much stronger than permanent
magnets.
D. A magnet can have one or two poles.
SUBMIT

Which of the following is a consequence of urban heat islands? increased precipitation downwind of the city? increased precipitation upwind of the city? decreased winds within the city? increased winds within the city?

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.

What two factors does carrying capacity compare? population size and resource use population growth and resource availability resource use and time population size and time