1. Why is severe weather associated with low pressure systems?
2. Why is sunny weather associated with high pressure systems?


plz answer quick due in 10 min

Rocks expand and contract when they are heated and cooled which cause them to break. Physical weathering is experienced to the crust of earth. The last state of physical weathering is sand. Rocks that have some cracks are undergoing frost wedging.

Weathering is a geographical process of deterioration of rocks and minerals into parts and eventually into dust and sand. Thermal stress, a phenomenon caused by temperature variations, can also contribute to mechanical weathering.

The expansion and contraction of rock is influenced by temperature changes. The rock's structure deteriorates as this occurs repeatedly. Physical weathering and mechanical weathering disintegrates rocks without any chemical changes and  it happens to the earth's crust.

Erosion of rocks eventually results in formation of sand. Frost wedging is a process by which ice erodes the rocks having cracks. It is also called ice wedging.

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Answer: How can temperature lead to weathering of rocks= Rocks expand and contract when they are heated and cooled which cause them to break.

Which part of Earth experiences physical weathering= crust

Which is the last stage of physical weathering in rocks= sand

What must be present on a rock that undergoes frost wedging= a crack

Explanation: I took the test

Answer:

The offspring are genetically identical to each other, which reduces their ability to adapt to any changes in the environment.

Explanation:

If there was a disease (as an example) that negatively effected both organisms that reproduce asexually and sexually, the organisms that reproduce asexually would have a disadvantage. Offspring of the organisms that reproduce sexually contain the genetic material of both parents. This would lead to a higher chance of the ability to adapt to any changes, or even a chance of being immune to that disease. However, offspring of the organisms that reproduce asexually are only replicates of the parent. This means that the asexually produced offspring and the parent organism could be harmed more than the sexually produced offspring and parent organism. The organism would have reduced abilities to adapt according to the changes in the enviroment.

The major disadvantage for organisms that reproduce asexually is option 4 that the offspring are genetically identical to each other, which reduces their ability to adapt to any changes in the environment.

Asexual reproduction is a type of reproduction where only a single parent is involved in creating offspring. The offspring reproduced are genetically identical to the parent. while this form of reproduction has many advantages including rapid and quick reproduction, it posses some major drawbacks as well.

As the genetic diversity is absent in asexual reproduction, adapting and surviving in the dynamic environment is tough for the offspring. Difficulty in catching up with the changing circumstances can sometimes lead to harm to upcoming species.

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Answer:

Light years

Explanation:

Stars are away from the earth millions of kilometres away. It is not convenient to express such a large distance in the units of km. So, the distance of stars from the earth is expressed in light years. One light year is the distance that light travels in one year in a vacuum.

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Answer:

Amount of water:

✔ constant

Reaction rate:

✔ variable

Temperature:

✔ constant

Initial amount of tablet:

✔ constant

Particle size:

✔ variable

Les atomes sont composés de protons, électrons et neutrons.

Answer:

Network Structure

Explanation:

Answer:prevention of water loss would be unnecessary

Explanation:

edge 2021

Cuticles are protective lining in the epidermal layer of plants. Cuticles helps to reduce water loss and protect the plants from environmental stresses.

Cuticle is an organism's external layer or area that makes touch with the environment. The epidermis secretes the dead, noncellular cuticle in many invertebrate species. In humans, the cuticle is the epidermis, and this layer may include colours and chitin, similar to arthropods.

The cuticle is a protective coating that protects the epidermal cells of leaves and other organs while preventing water loss in some higher plants.

It is made up of cutin, a waxy, water-repellent compound related to suberin that is present in the corky tissue's cell walls. Hence, option c is correct.

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Answer:

sanctuary is the answer may be I think

Answer:

Solid and gas

Explanation:

Answer:b

Explanation:

Answer:

Some small volcanoes only erupt once in their lives,

while other volcanoes erupt multiple times. Kilaeua volcano in Hawaii, which has been erupting continuously since 1983, is the world's most active volcano. While some volcanoes erupt at regular intervals, there are always exceptions to the rule

Answer:

small volcano's only 1 time while big volcano's mutiple times

Explanation:

Answer:

El calor específico es el calor requerido para el proceso de cambio de temperatura de la sustancia, mientras que el calor latente es el calor requerido en el momento del cambio de fase de una sustancia.

Explanation:

Answer:

A

Explanation:

Food is digested in the stomach for several hours. During this time, a stomach enzyme called pepsin breaks down most of the protein in the food. The pancreas and gland cells of the small intestine secrete digestive enzymes that chemically break down complex food molecules into simpler ones.

Answer:

A

Explanation:

Answer:

The force of gravity on an object is called weight

Explanation:

Answer:

A substance that is comprised of more than one kind of atom reinforced together. Blend: A mix of at least two components or mixes that have not responded to bond together; each part in the combination holds its own properties.

Explanation:

Compound: A substance that is made up of more than one type of atom bonded together.

Mixture: A combination of two or more elements or compounds which have not reacted to bond together; each part in the mixture retains its own properties

Hello there!

How is density different from weight and mass you say? It's simple!

1. Unlike weight, density is composed of mass and volume.

2. By dividing the mass over the volume, you can determine an object's density, while weight is the product of mass and gravity.

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Answer:

D, exothermic reaction

Answer: it indicates exothermic reaction

Explanation:

Answer: 290 g of aluminium sulphate is produced.

Explanation:

To calculate the moles :

\(\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}\)    

\(\text{Moles of} H_2SO_4=\frac{250g}{98g/mol}=2.55moles\)

The balanced chemical reaction is:

\(2Al(s)+3H_2SO_4(aq)\rightarrow Al_2(SO_4)_3(aq)+3H_2(g)\)

According to stoichiometry :

3 moles of \(H_2SO_4\) produce  = 1 mole of \(Al_2(SO_4)_3\)

Thus 2.55 moles of \(H_2SO_4\) will require=\(\frac{1}{3}\times 2.55=0.85moles\)  of \(Al_2(SO_4)_3\)

Mass of \(Al_2(SO_4)_3=moles\times {\text {Molar mass}}=0.85moles\times 342g/mol=290g\)

Thus 290 g of aluminium sulphate is produced.

Answer:

Reprduce

Explanation:

Answer:

Solar Eclipse happens when the moon gets between the sun and the earth, the moon gets all the light and blocks the earth from getting sunlight.

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Answer:

I'm pretty sure it's a) Animalia, but it could be wrong.

Explanation: