Which best examples why a wood-burning fireplace represents an open system.
a. because the ash...
Which best examples why a wood-burning fireplace represents an open system.
a. because the ashes have to be swept away
b. because a fire requires oxygen from the atmosphere to burn
c. because they can be used for cooking
d. because they are not all made out of brick
Answers: 3
Biology, 22.06.2019 06:30, Seaisnowblue
Which of the following is a common response to cell signaling?
Answers: 2
Biology, 22.06.2019 13:00, am2garcia5
14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.
Answers: 2
Biology, 22.06.2019 20:30, carryislarrywithdair
Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.
Answers: 1
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