Betty made a simple electromagnet using just a battery and a wire. What could Betty do to increase the strength of her electromagnet? options:

Coil the wire around a test tube.

Coil the wire around a toothbrush

Coil the wire around a paper towel roll.

Coil the wire around a nail.

Which is not a characteristic of the animal kingdom? a. they include both vertebrates and invertebrates b. their skin is covered with hair or fur c. they are heterotrophs d. they are eukaryotic

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?