Question

One group of students did an experiment to study the movement of ocean water. The steps of the experiment are listed below.

Fill a rectangular baking glass dish with water.
Place a lighted lamp near the left edge of the dish.
Place a plastic bag with ice in the water near the right edge of the dish.
Put a few drops of ink in the water.
Observe the ink flow from the side where the lamp is placed towards the side where the ice bag is placed.
What does the students' experiment most likely demonstrate?
Surface water sinks when heated.
Surface water moves from colder to warmer regions.
Surface water moves from warmer to colder regions.
Surface water moves irrespective of water temperature.

Answer 1

question 25. @kyanthedoodle

Answer 2

Alright. The experiment demonstrates that water is moving from the lamp to the ice bag. Which answer do you think is closest to that?

Answer 3

c

Answer 4

Yeah!

Answer 5

Which of these statements best explains why the running costs for geothermal power plants are very low?

They use very low cost heat pumps.
Fuels do not have to be purchased to generate power.
Their equipments can be installed and maintained at low cost.
Low cost equipments are used to clean their carbon emission.

Answer 6

should be a fast one i think this one b

Answer 7

I think that's correct