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Snowcat [4.5K]
3 years ago
12

There are three ways that heat can move from one place to another. Use examples pertaining to how heat is transferred from the s

un to Earth and in the land, ocean, and atmosphere to explain all three.
Chemistry
1 answer:
stealth61 [152]3 years ago
8 0
Heat moves in Radiation, conduction, and convection. 
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What structures are found in<br> plant cells that are not found in animal cells?
Mila [183]

Answer:

Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells. The cell wall is a rigid covering that protects the cell, provides structural support, and gives shape to the cell.

Explanation:

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3 0
3 years ago
Many drugs decompose in blood by a first-order process. two tablets of aspirin supply 0.60 g of the active compound. after 30 mi
Firdavs [7]
<span>The half-life of a first-order reaction is determined as follows: 

</span>t½<span>=ln2/k

From the equation, we can calculate the </span><span>first-order rate constant:

</span>k = (ln(2)) / t½ = 0.693 / 90 = 7.7 × 10⁻³

When we know the value of k we can then calculate concentration with the equation:

A₀ = 2 g/100 mL 

t = 2.5 h = 150min

A = A₀ × e^(-kt) =2 × e^(-7.7 × 10⁻³ × 150) = 0.63 g / 100ml

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3 0
3 years ago
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Why do solids react faster in powder form than in lump form
miv72 [106K]
There is more surface area so there’s more to react with all together
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Which of these defines a volcano?
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PLEASE HELPP ______ consist of one large main root with smaller roots branching off, while _____ consist of several main roots t
Kay [80]

fibrous roots; taproots

Explanation:

A taproot root consists of one large main root with smaller roots that branches off into the soil, while the fibrous roots consists of several main roots that branches off to form one mass of roots.

  • The root system in plants helps them to absorb water and other nutrients from the soil.
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learn more:

Seedless vascular plants brainly.com/question/6047633

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6 0
3 years ago
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