Biology, 17.09.2019 17:30 hannaboo53

Why does a hot air balloon float?
1. the shape of the balloon provides lift.
2. the volume of the air displace by the balloon is less than the volume of the balloon.
3. the weight of the air displaced is less than the volume of the balloon.
4. the weight of the balloon is less than the weight of the air displaced by the balloon.

Answers: 1

Show answers

Another question on Biology

Biology, 21.06.2019 21:00

If water is at -10 ° c and energy is added to the water until it is 50 ° c while maintaining a constant pressure of 760 mmhg, describe the phase change of the water?

Answers: 2

Answer

Biology, 21.06.2019 22:40

What must be true for natural selection to heppen

Answers: 1

Answer

Biology, 22.06.2019 17:40

What does spontaneous generation mean?

Answers: 1

Answer

Biology, 22.06.2019 19:10

Match each description to the level of organization

Answers: 3

Answer

You know the right answer?

Why does a hot air balloon float?
1. the shape of the balloon provides lift.
2. the vol...

Questions

Mathematics, 20.09.2019 14:10

What is the volume of this solid figure?...

Mathematics, 20.09.2019 14:10

Could someone me with some geometry

Mathematics, 20.09.2019 14:10

The angles of a triangle are 80º, 2x + 2º, and 5xº. what is the value of x?...

Biology, 20.09.2019 14:10

When energy flows from one trophic level to the next higher level what always happens?...

Mathematics, 20.09.2019 14:10

In 3434 pound of a spice mix, there is 5656 cup of cinnamon. how much cinnamon does the spice mix contain per pound? 5858 cup 910910 cup 119119 c...

Health, 20.09.2019 14:10

Means "non-communicable". chronic acute congenital non-infectious...

Biology, 20.09.2019 14:10

How much of the earths surface do desserts cover and where do they occur? what are the four major types of dessert?...

Geography, 20.09.2019 14:10

Weathering is a process that make soil. all but one statement describes how rocks may be weathered. that is: a) water fills tiny spaces inside...

Mathematics, 20.09.2019 14:10

How many times longer is 1 km than one m...

English, 20.09.2019 14:10

When polyphemus cries out to the other cyclopses for after odysseus' attack, he claims that “nobody” is killing him. this is an example of what type...

Mathematics, 20.09.2019 14:10

In a parking lot there are motorcycles and cars. you count 98 wheels, and your friend counts 30 vehicles. how many cares are there? how many motorcyc...

Mathematics, 20.09.2019 14:10

Sandra bought 2¾ yards of red fabric and 1¼ of blue. how much cloth did she buy in all?...

Mathematics, 20.09.2019 14:10

Copy each statement. insert , -, x, or division symbol to make each statement true. 27 3 5 2 = 19 81 11 8 4 1 = 60...

English, 20.09.2019 14:10

What do you call an expression particular to a region? a. literary b. objective c. irony d. idiom...

History, 20.09.2019 14:10

What did toussaint louverture and jean jacques dessalines contribute to the birth of haiti?...

Biology, 20.09.2019 14:10

Complete the analogy: words code for the construction of sentences as codons code for the building of a a sequence of proteins a sequence of...

History, 20.09.2019 14:10

How did regents v. bakke change affirmative action policies? it struck down the use of strict racial quotas. it ruled race could not be factored into...

Mathematics, 20.09.2019 14:10

If the area of a square is 100 square centimeters, what is the length of the diagonal....

Arts, 20.09.2019 14:10

Who developed the process of blueprinting...

Mathematics, 20.09.2019 14:10

Why is it important to be able to write a fraction in simplest form?...

More questions: Biology Another questions