Biology, 19.02.2021 18:20 Delgadojacky0206
An electromagnet is a coil of wire with a current running through it. This creates an electromagnetic field. An additional magnet and its poles interact with the electromagnet, causing an electromagnetic motor to turn. What are some ways you could make an electromagnetic motor stronger, and how could you apply these principles to everyday life? In three to five sentences, explain this phenomenon in real life and hypothesize about how you could strengthen it.(4 points)
Answers: 2
Biology, 21.06.2019 18:00
Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.
Answers: 1
Biology, 21.06.2019 20:00
Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes
Answers: 2
Biology, 21.06.2019 21:30
Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1
Answers: 1
Biology, 22.06.2019 00:00
Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.
Answers: 1
An electromagnet is a coil of wire with a current running through it. This creates an electromagneti...
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