Question

A glass of juice at 20 °C was kept in the open. After 30 minutes, the temperature of the juice remained the same. Which statement is correct?
The temperature of the surrounding air was greater than 20 °C.
The temperature of the surrounding air was less than 20 °C.
The temperature of the juice was equal to the temperature of the surrounding air.
The temperature of the juice was less than the final temperature of the surrounding air.

Answer 1

I need help on this question?

Answer 2

And I have more on the way?

Answer 3

Any ideas?

Answer 4

This should be a key point. After 30 minutes, the temperature of the juice remained the same.

Answer 5

Cindy took two identical boxes, one painted black and the other painted white. She placed a scoop of ice cream in each of the two boxes.

In which box will the ice cream melt last?
Black box, because black absorbs less heat than white
Black box, because black reflects more heat than white
White box, because white absorbs less heat than black
White box, because white refracts more heat than black

Answer 6

Any ideas?

Answer 7

Think for a second on a hot day you wear either dark clothes or lighter close. Which one is most likely to make you feel hotter?

Answer 8

The answer is C.

Answer 9

Correct.

Answer 10

The formation of two different rocks is described below.

At depths of thousands of feet, molten rock material cools slowly to form Rock A.
A volcanic eruption pushes molten material to the surface of Earth and the molten material cools rapidly to form Rock B.

Which statement is correct?
Both Rock A and Rock B are igneous rocks.
Both Rock A and Rock B are metamorphic rocks.
Rock A is an igneous rock and Rock B is a metamorphic rock.
Rock A is a metamorphic rock and Rock B is an igneous rock.

Answer 11

Do you know what igneous and metamorphic are?

Answer 12

Yes

Answer 13

Okay, do you have any ideas?

Answer 14

No

Answer 15

Okay, well Igneous rocks are rocks made out of molten material that has solidified. Which can happen above or under the surface of Earth.

Answer 16

A team of scient
A team of scientists altered the DNA of pseudomonas bacteria. The bacteria thus developed had the ability to eat up oil. What could be the likely impact of this biotechnology on the environment and the society?
Toxic gases would be released, causing large-scale pollution.
Damage to marine flora and fauna due to oil spills could be prevented.
The consumption of nonrenewable energy sources would be increased.
The process of oil exploration would become simpler and more economical.ists altered the DNA of pseudomonas bacteria. The bacteria thus developed had the ability to eat up oil. What could be the likely impact of this biotechnology on the environment and the society?
Toxic gases would be released, causing large-scale pollution.
Damage to marine flora and fauna due to oil spills could be prevented.
The consumption of nonrenewable energy sources would be increased.
The process of oil exploration would become simpler and more economical.

Answer 17

Any ideas?