A little help please

Answer:Light bounces off of the mirror and then appears to come from behind the mirror.

Explanation:Plane mirrors form images that are virtual, upright and the same size and shape as the object it is reflecting.

When rays of light from the object hits a plane mirror they bounces off the mirror,that is they undergo reflection, and appear to originate from behind the mirror, resulting to the formation of a virtual image.

The image formed appears to be behind the plane in which the mirror lies. A virtual image is an image that is formed at a location from which the rays of light appear to come from. The image can not be formed on a screen..

Answer:

a

Explanation:

Answer:

Sound travels more quickly through solids than through liquids and gases because the molecules of a solid are closer together and, therefore, can transmit the vibrations (energy) faster. Sound travels most slowly through gases because the molecules of a gas are farthest apart.

hope this helps.

Answer:

The number of waves that pass a fixed point in a given amount of time

Explanation:

Answer:

Option 4 is the right of ur question

4.Elements in family 7 have similar properties.

Answer:

Kinetic Energy can be defined as the energy possessed by the object by the virtue of its motion. The sum of these two energies is often called Mechanical Energy of the System. ... Electric Energy is also a form of these 2 energies: Electric potential energy stored in a charged particle in an electric field.

Explanation:

sorry if im wrong T-T

The component of Alfred Wegener's theory that is known to be false is as follows:

Thus, the correct option for this question is D.

Continental drift may be defined as the process of the gradual movement of continents as the result of the motion of tectonic plates. It is a type of hypothesis that illustrates that the Earth's continents have migrated over geologic time with respect to each other.

This theory by Alfred Wegener demonstrates that similar kinds of plants and animals live on continents separated by oceans. According to him, all existing continents were once joined into a supercontinent known as Pangea. The boundaries of many neighboring continents fit together due to the gradual splitting of Pangea.

Therefore, the Moon’s gravity and Earth’s spin can move the continents is the component of Alfred Wegener's theory that is known to be false. Thus, the correct option for this question is D.

To learn more about Continental drift, refer to the link:

https://brainly.com/question/7350119

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Answer:

oh lawd i dont know hun

Explanation:

Answer:

Explanation:

any type of spreading disease that kills

Answer:

The cell membrane's main trait is its selective permeability, which means that it allows some substances to cross it easily, but not others. Small molecules that are nonpolar (have no charge) can cross the membrane easily through diffusion, but ions (charged molecules) and larger molecules typically cannot.

Explanation:

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Answer:

I think it is C since the trees hold the habitats of the animals and provide cover so with less animals there is less diversity.

Answer:

Down below <3

Explanation:

1. 1 [tex]N_{2}[/tex] + 3 [tex]H_{2}[/tex] ---> 2 [tex]NH_{3}[/tex]

2. 2 [tex]KClO_{3}[/tex] ---> 2 KCl + 3 [tex]O_{2}[/tex]

3. 1 [tex]Na_{3}PO_{4}[/tex] + 3 HCl ---> _ 3_ NaCl + 1 [tex]H_{3}PO_{4}[/tex]

4. 1 [tex]C_{2}H_{6}O[/tex] + 3 [tex]O_{2}[/tex] ---> 2 [tex]CO_{2}[/tex] + 3 [tex]H_{2}O[/tex]

Answer:

When two or more molecules/atoms join together to create chemical bonds

Explanation:

I learned Physics :)

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Answer:

NaNO3

Explanation:

Sorry If its incorrect

The addition of a solution of sodium iodide and potassium nitrate has been the displacement reaction.

The reaction has resulted in the formation of the precipitate of Potassium iodide and Sodium nitrate.

The chemical equation for the reaction can be:

[tex]\rm NaI\;+\;KNO_3\;\rightarrow\;NaNO_3\;+\;KI[/tex]

The reaction has been an exothermic reaction with the formation of the pale yellow precipitate of the potassium iodide.

For more information about potassium nitrate, refer to the link:

https://brainly.com/question/16823927

Answer:

cell membrane disease

Explanation:

Answer:

a

Explanation:

Answer:

*A frogs response to prey is (innate)* meaning an inborn and natural phenomenon due to their instinct.

what they are saying when they say how time could change that. This could be a number of things, aging, humans feeding them, and running out of their own food from another species being introduced to their home.

Explanation:

:)

Answer:

umm sorry but some times do it your self

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Answer:

its too much and the people that say download here and put bit . ly blah blah are fake.

Explanation:

Other Causes of Extinction

In addition to habitat destruction, other human-caused problems are also threatening many species. These include issues associated with climate change, pollution, and over-population.

Climax Community

A climax community is the end result of ecological succession. The climax community is a stable balance of all organisms in an ecosystem, and will remain stable unless a disaster strikes.

Invasive Species

As we have learned earlier in the unit, invasive or non-native species can also change an ecosystem.

When invasive species enter an ecosystem they change that ecosystem's dynamic and cause a disruption to the flow.

Habitat Destruction

Your habitat can be altered, and you can easily adapt. Most people live in a few different places and go to a number of different schools throughout their life. But a plant or animal may not be able to adapt to a changed habitat.

Humans often destroy the habitats of other organisms. Habitat destruction can cause the extinction of species.

Extinction is the complete disappearance of a species. Once a species is extinct, it can never recover.

Human Activity

It's important to note that human activity has the greatest impact on the amount and quality of wildlife habitat in many areas of the world. Wildlife habitat can be destroyed or its quality diminished as a result of urban growth, agricultural practices, pollution, or habitat destruction.

People can also have a positive impact on wildlife populations through improvement and protection of habitat or ecosystems. Planting trees and shrubs and providing sources of food and water in individual yards is one way people can help wildlife.

Answer:

sending heat toward the polar regions

Explanation:

Answer:

Demographic and genetic phenomenon

destruction of habitat

introduction of invasive species

climate change

hunting and illegal trafficking

Answer:

The water may not fall for a while because the water that dosen't go down the stream won't be able to evaporate. So rain clouds won't form in that area.

Explanation:

I hope I helped.