Mr. Phillips and his students are building a simple series circuit to learn about electricity. Which of the following will they need in order to demonstrate the flow of electricity through the circuit?
I. an energy source, such as a battery
II. wires than can conduct a current
III. a resistance, or receiver, such as a light bulb

A. II and III only
B. I and III only
C. I only
D. I, II, and III

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.

Suppose that on a small island off the coast of scotland, 32 percent of the population has blue eyes, which means that these individuals must be homozygous for the blue eye color gene (bb). the only other eye color found on the island is brown, and individuals that are homozygous for the brown eye color gene (bb) or heterozygous (bb) will have brown eyes because brown is the dominant gene. assume this population is in hardy-weinberg equilibrium. if 100 babies are born next year, how many of these would you expect to have brown eyes and be heterozygous? a. 58 b. 49 c. 29 d. 43