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svetlana [45]
3 years ago
14

3. Students in a science class in Marfa, Texas, made a poster with a diagram to represent a seasonal change in the Northern Hemi

sphere. (Position 1 is experiencing winter in the northern hemisphere and experiencing summer in the southern hemisphere). * 2 points Captionless Image A There are an equal number of hours of daylight and nighttime in the Northern Hemisphere, and the North Pole is tilted away from the sun. B The Northern Hemisphere has the fewest hours of daylight, and Earth’s axis does not tilt at this position. C There are an equal number of hours of daylight and nighttime in the Northern Hemisphere because Earth’s axis is not tilted in this position. D The Northern Hemisphere has the fewest hours of daylight, and the North Pole is tilted away from the sun.
Chemistry
1 answer:
Nookie1986 [14]3 years ago
6 0

the answer depends on the picture or the diagram.

can you send it, please?

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If i add 25 mL of water to 125 mL of a 0.15 M NaOH solution, what will the molarity of the diluted solution be ?
marshall27 [118]
1000 mL=1L

25 mL = 0.025 L
125 mL = 0.125 L

M1V1=M2V2
0.15(0.125) = M2(0.025)
0.01875 = M2(0.025)
0.75 = M2

0.75 M
6 0
3 years ago
Describe how you would create a model of sea-floor spreading using everyday materials
Elodia [21]

Answer:

Take a cardboard, cylinder-shaped container and cut a vertical slit about 3 ½ inches long and ¼ inch wide down the side. The slit is your mid-ocean ridge, the place where the plates are moving away from each other.

Cut a piece of white paper in half lengthwise.

On each piece of paper, measure two inches in from the end and fold the paper so that there is a section on each end to hold onto.

Measure inward another two inches from the fold, and color in that two-inch wide strip.

Continue to measure in two-inch segments, coloring every other section.

Place the unfolded ends of the paper into the slit in the container. Holding them by the folds, pull the pieces of paper out again. If you imagine that the slit is the midocean ridge where the plates are moving away from each other, the paper is the new liquid rock coming out from the ridge. The first bit of paper to come out is the oldest rock, and the last section of paper to come out is the youngest. Imagine that your paper goes on forever. Soon, the first bit you took out of the hole will be far away from the midocean ridge. Of course, “soon” in geological time is a very long time in human terms!

Take your pieces of paper and tape the ends that aren’t folded to the pencil.

Put the pencil inside of the container and pull the ends of the pieces of paper up through the slit.

Twist the pencil one way, and the papers will move out and away from each other. This is what happens at a divergent plate boundary on the mid-ocean ridges.

Twist the pencil the other way, and the papers will move in and toward each other. This is what happens at a convergent plate boundary. Imagine what would happen if those papers had bumps on them. They’d get all bunched together at the hole, and create mountains.

Explanation:

4 0
3 years ago
A _____ is an experimental set-up that can be used to measure the heat of a chemical reaction or a physical change and determine
Eduardwww [97]

Answer:Calorimetry

Explanation: In this case, an instrument called Calorimeter is used to measure the amount of heat being transferred

7 0
3 years ago
The charge of an electron is <br> A. -2. <br> B. 0. <br> C. -1. <br> D. +1.
denis-greek [22]

the answer is


B. 0

yes that is all


4 0
3 years ago
Read 2 more answers
Help its a test and I’m pretty bad at these
saw5 [17]
B) just learn that you move the decimal right as numbers go higher and left if numbers decrease

So 1.75 km =1750000

Move decimal to the left to get a scientific notation

So 1.75 x 10^6

Brainliest?
8 0
3 years ago
Read 2 more answers
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