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irakobra [83]
3 years ago
5

Fill in the blank:

Chemistry
2 answers:
Roman55 [17]3 years ago
7 0

Answer:

Weathering, Erosion

Explanation:

Plants and animals can be agents of mechanical weathering. The seed of a tree may sprout in soil that has collected in a cracked rock. As the roots grow, they widen the cracks, eventually breaking the rock into pieces. Over time, trees can break apart even large rocks.

Tree root systems have a handful of large roots that branch out into a network of smaller roots that often extend out far beyond their branches do. These root systems prevent erosion by holding the soil in place and improving drainage which helps water get absorbed into the soil instead of just running over the top.

Hope this helps

All the love, Ya boi Fraser :)

kotykmax [81]3 years ago
4 0
Weathering and erosion
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Answer:

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Explanation:

In order to calculate the pH of each solution, we will use the definition of pH.

pH = -log [H⁺]

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pH = -log [H⁺] = -log 5.4 × 10⁻¹⁰ = 9.2

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Since pH < 7, the solution is acid.

(c) [H⁺] = 5.4 × 10⁻⁷ M

pH = -log [H⁺] = -log 5.4 × 10⁻⁷ = 6.3

Since pH < 7, the solution is acid.

3 0
3 years ago
How much precipitation is shown in the rain gauge below?
VARVARA [1.3K]

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7 0
3 years ago
An atom has 81 electrons, 84 neutrons, and 82 protons. What element is this atom?
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Answer:

Lead

Explanation:

The subatomic particles within an atom can be used to know the atom or element given.

Of particular interest is the number of protons within the atom.

The periodic table is based on the atomic number of atoms. This atomic number is the number of protons within an atomic space.

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The number of protons given is 82, the element is  therefore lead.

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