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Simora [160]
3 years ago
14

Gravitational potential energy depends on the strength of gravity, ________ and ________ of the object.

Chemistry
1 answer:
tiny-mole [99]3 years ago
5 0

Answer: A.

Explanation:

Gravitational potential energy is due to the position of an object above Earth's surface. The object has the potential to fall due to gravity. Gravitational potential energy depends on an object's weight and its height above the ground (GPE = weight x height).

Weight= Mass

Height= Height

Hope this helps!

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Order the levels of organization from the smallest (1) to the largest (4).
yKpoI14uk [10]

Answer:

cells=1

organ=3

organ system=4

tissue=2

Explanation:

i just did the question right now and i got them all correct.

3 0
3 years ago
Identify all statements that accurately describe the structure of the pyruvate dehydrogenase ( PDH ) complex.
Nostrana [21]

Answer:

The statements that correctly describes pyruvate dehydrogenase includes:

- Several copies each of E 1 and E 3 surround E 2.

-A regulatory kinase and phosphatase are part of the mammalian PDH complex.

-E 2 contains three domains.

Explanation:

Pyruvate dehydrogenase is a hydrolase key enzyme in glucose metabolism which converts pyruvate to acetyl- ChoA. It also forms a complex that catalyzes an irreversible reaction that is the entry point of pyruvate into the TCA cycle. Pyruvate dehydrogenase complex contains E1, E2 and E3 enzymes that transform pyruvate, NAD+, coenzyme A into acetyl-CoA, CO2, and NADH. Also, A regulatory kinase and phosphatase are part of the mammalian PDH complex and E 2 contains three domains.

5 0
3 years ago
State two reasons atom X is different than atom X+1
insens350 [35]

Explanation:

atom X

it is neutral

and may not exist independently

atom X+1

it is ion which has a charge on it positive or negative

it exists independently

6 0
3 years ago
Al wonders if adding salt to water will affect how long it takes the water to
love history [14]

The hypothesis is that salt water freezes faster than fresh water.

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The independent variable is presence or absence of salt

The constants are the amount of water in each tray, freezing conditions and length of time of exposure to freezing condition.

The control group is the tray to which salt was not added

The experimental group is the tray to which salt was added

The presence of solutes in a solution causes the freezing point depression.

A solution is made up of a solute and a solvent. In the presence of a solute, the freezing point of a pure solvent is decreased. This is because freezing point is a colligative property.

Colligative properties depend on the amount of solute present.

Hence, the pure water freezes faster (ice begin to appear earlier) than the salt water.

The hypothesis put forward in this experiment was found to be invalid by the experiment.

For more about colligative properties, see

brainly.com/question/10323760

6 0
3 years ago
What is the chemical equation of BaO+O2→BaO2 ?
jeka57 [31]
<span>2 BAO2 = 2 BAO + O<span>2 is the balanced equation</span></span>
6 0
3 years ago
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