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tatiyna
3 years ago
14

Instructions:Select all the correct answers.

Physics
2 answers:
malfutka [58]3 years ago
4 0

The correct answer is 1 and 4.

Burning of fossil fuels releases harmful gases to the atmosphere which leads to climate change. Burning of hydrogen gas releases water which has no negative effect on climate.

Burning of both fossil fuels and hydrogen takes place inside expensive fuel cells.

Fossil fuels are widely available and easy to locate whereas hydrogen is available in the combined form with other elements. Hydrogen are not found in pure form on earth.

Fossil fuels are non-renewable source of energy which means they cannot be replaced in short time.

pogonyaev3 years ago
4 0
1 & 4 would be what you looking for
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Someone help
AURORKA [14]

Answer:

Explanation:

No 1 is linked to the option provided at no 5.

A direct object is the noun that follows the verb and answers the question.

No 2 is linked to the option provided at no 8.

A verb is a word that expresses action.

No 3 is linked to the option provided at no 5.

The subject is what or whom the sentence is about.

No 5 is linked to the option provided at no 3.

A predicate noun follows a linking verb, and renames the subject.

No 6 is linked to the option provided at no 4.

A predicate adjective follows a linking verb, and describes a subject.

No 7 is linked to the option provided at no 1.

A linking verb joins a subject and a predicate.

No 8 is linked to the option provided at no 2.

A sentence expresses a complete thought....

5 0
3 years ago
3. When driving a car, the chemical energy in gasoline is converted to heat (thermal energy) in the engine. Most of this thermal
tekilochka [14]

Explanation:

As we know that the maximum of thermal energy will be converted into mechanical energy.( The thermal energy will be given to us by engine.)

But the total thermal energy will not be converted into the mechanical energy,  there will be some lost of energy. The lost of mechanical energy will be in multiple forms. 2 of them are

1.Heat : The mechanical energy heats up the engine and then it will lost some energy.

2.Noise : Some energy also lost in the sound or the noise comes out from the engine. It will consume some energy.

Also, the engine never be 100% efficient some amount of energy lost in environment also.

6 0
3 years ago
According to Newton's third law, which describes what happens when a 4.5 kg pumpkin is launched from a catapult with a force of
max2010maxim [7]
3. Law: Every action has a reaction equal in magnitude and opposite in direction.
6 0
3 years ago
According to the kinetic theory of gases, the kinetic energy of molecules is proportional to which factor? A. Concentration in m
krek1111 [17]
B. Temperature in Kelvin
8 0
3 years ago
Read 2 more answers
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Elina [12.6K]
Yes is the answer for you
5 0
3 years ago
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