What kind of model is a globe and what are its limits

1 answer:

4 0

A model of a globe is a physical model. The limits are that the solar system is too big to be seen all at once. From the Tennessee science textbook, "Many years ago, scientists thought that Earth was the center of the universe and the sky was a blanket that covered the planet. Later through the observation, it was discovered that the objects you see in the sky are the sun, the moon ,stars, and other planets. This new model explained the solar system differently.

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Why do plant cells have chloroplasts, but animal cells do not

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<h2>Mark me brianliest plz I really need it</h2>

Explanation:

<h2>In order to do photosynthesis, a plant needs sunlight, carbon dioxide (CO2) and water. Once the sugar is made through photosynthesis, it is then broken down by the mitochondria to make Page 2 energy for the cell. Because animals get sugar from the food they eat, they do not need chloroplasts: just mitochondria.</h2>

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2 years ago

Some animals hibernate during winter. What molecules provides energy to them during the time .

Vera_Pavlovna [14]

Answer:

Fat

Explanation:

Animals rely on fat for energy during hibernation.

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2 years ago

Which answer is correct?

White raven [17]

Answer:

Explanation:

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2 years ago

What structural component gives arteries the ability to passively adapt to changes in blood pressures that accompany the heartbe

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Answer: elastic fibers

Explanation:

Elastic fibres are the essential durable component present in mammalian connective tissueand functions to provide proper pulmonary, cardiovascular and intestinal system structure and function. Their structural function is to provide elastic recoil and resilience for the tissues.

Elastin fibers ahve two main including microfibrils and elastin containing fibrillin play a mechanical and structural role in the arteries, and their important function is to provide the tissues with resilience and elasticity.

Hence, elastic fibers helps arteries to adapt to changes in blood pressures that accompany the heartbeat.

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2 years ago

What is the most common health problem associated with consumption of too much sodium?

stellarik [79]

The most common health problem associated with consumption of too much sodium increases blood pressure which can lead to heart disease. Other problems that result from too much salt intake are high cholesterol and heart attacks.

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3 years ago