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BartSMP [9]
3 years ago
15

List 2 types of weathering and list all examples

Biology
2 answers:
joja [24]3 years ago
6 0

Weathering breaks down and loosens the surface minerals of rock so they can be transported away by agents of erosion such as water, wind and ice. There are two types of weathering: mechanical and chemical.

baherus [9]3 years ago
3 0

There are 2 types of weathering; mechanical and chemical.

Mechanical weathering includes the eroding away of rocks by things like wind or water.  The constant heat and cooling of a rock; certain minerals will shrink and grow, depending on the temperature an composition.  Other examples include freezing rocks (The ice upon a rock will increase pressure upon it, causing it to slowly crack and fall apart) and exfoliation, which is where a rock breaks off into sheets, or layers.

Some examples of chemical weathering include hydrolysis (the breakdown of a substance when in contact of water), oxidation (reaction where a substance comes into contact with oxygen), carbonation (the combination of water with carbon dioxide; creating carbonic acid), and even animals could cause chemical weathering, like Lichen, who produce a certain acid that can dissolve rocks.

Hope this helps!  :)

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During photosynthesis, the energy used to pump protons comes from ___________, whereas in cellular respiration it comes from ___
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During photosynthesis, the energy used to pump protons comes from ______light_____, whereas in cellular respiration it comes from ______NADH/FADH₂_______.

<h3>What are the steps in photosynthesis?</h3>
  1. The first step in photosynthesis is the absorption of light by chlorophyll bound to chloroplast thylakoid proteins. The absorbed light energy is used to remove electrons from electron donors such as water to form oxygen.
  2. The electrons are then transferred to the primary electron acceptor, quinine (Q.). Electrons are further transferred from the primary electron acceptor to the final electron acceptor (usually NADP⁺).
  3. Proton transfer from the thylakoid lumen to the stroma via the F₀F₁ complex generates ATP from ADP and Pi.
  4. The NADP and ATP produced in steps 2 and 3 provide the energy, and the electrons power the process of reducing the carbon to a six-carbon sugar molecule.

The first three steps of photosynthesis, are directly dependent on light energy and are thus, called light reactions, while the reactions in the last step are independent of light and thus are termed dark reactions.

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1 year ago
why is it impossible for hikers camping near the top of a 14000 foot peak to get a really hot cup if coffee
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5- Determine o tipo de fenômeno que ocorre: ( ) Colisão entre dois carros. ( ) Queda de uma folha de uma árvore. ( ) Queima de u
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6 0
2 years ago
What specific part of the cell/structure allows the mucus secretions to be thick and viscous rather than fluid (i.e., is it a me
Ksenya-84 [330]

Answer:

The CFTR behaves like a channel for chlorine. Its dysfunction affects both the transport of this ion and other ions and the transport of water, which causes a thickening of secretions, an alteration of mucociliary transport and local defenses, facilitating bacterial colonization and promoting the release of pro-inflammatory mediators in the airway

Explanation:

CFTR is a protein expressed in the epithelial cells of the respiratory system, pancreas, bile ducts, sweat glands and genitourinary system. It is made up of a single chain made up of 1,480 amino acids. It contains 12 hydrophobic regions embedded in the lipid membrane and acts as a channel for chlorine.The highest levels of expression of the CFTR protein are found in serous cells of the submucosal glands of the proximal airway. In them, Cl- is released to the outside. In addition, there are channels for Na +, through which this ion is also secreted in the same direction. These movements cause the displacement of water and also of mucins, originating in the submucosal glands, allowing their presence on the surface of the airway. For all this to occur normally, a basolateral Na + - K + - ATPase cotransporter must function, another basolateral cotransporter formed by Na +, K + and 2 Cl-, which allows the latter to enter the cell, and an apical CFTR channel through which it exits the Cl- of the cell towards the acinar lumen. Na + leaves the cell following Cl- by a paracellular pathway accompanied by water. When CFTR malfunctions, Cl- does not exit through this channel and this implies a decrease in Na + and water in the canalicular lumen, with the consequent thickening of secretions.

8 0
3 years ago
20 POINTS + A BRAINLIEST!!!
liubo4ka [24]

Answer:

its 10 points but it's fine

----------------------

The answer is C

Explanation:

5 0
3 years ago
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