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4 years ago

The supercontinent in the continental drift hypothesis was called

Physics

1 answer:

Oksanka [162]4 years ago

8 0

Answer:

Pangaea

Explanation:

The Earth's crust is not one solid block but is made of different segments called tectonic plates. At one point it started to break apart. The land mass was present around the Paleozoic and Mesozoic eras. This land mass was called Pangaea

As a result all the water on Earth was a part of an ocean called Panthalassa. The concept of the one land mass and one water mass was proposed be Alfred Wagner.

Hence, the statement here is referring to Pangaea.

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Which substance is a gas at room temperature and atmospheric pressure?

s2008m [1.1K]

Answer:

Explanation:

A) Hg is mercury, a metal that is mostly liquid at STP (Standard Temp and Pressure), though some small portion of it will be gaseous in a closed container.

B) CH Methylidyne radical is a gas

It is not a stable compound because carbon has four valence electrons and only one of those is kept occupied by the hydrogen atom.

If this is supposed to be CH₄ which is methane, then also a gas at STP

C) C₂H₅OH is ethanol which is mostly a liquid at STP, though some small portion of it will be gaseous in a closed container.

D) H₂O is water and will be mostly liquid at STP, though some small portion of it will be gaseous in a closed container.

3 0

3 years ago

Mark all the quarks.a) Proton b) Electron c)Anti-top d) Gluon e) Tau Neutrino

djverab [1.8K]

Answer:

(a) Proton, (c) Anti- top

Explanation:

Elementary particles are the particles without any sub-structure which means they are not composed of other particles.

The elementary particles are classified into three categories which are discussed below:

(1) Quarks: up, down, top, bottom, strange, and charm.

(2) Leptons: electrons, electron neutrino, muon, muon neutrino, tau, tau neutrino.

(3) Bosons: Guon, photons Z bosons, W bosons, Higgs.

The bottom is a quark which is also can be called anti-top. And proton consist of two up quarks and one down quark so it is also categorized in the quarks.

Therefore, proton, and anti top are categorized in the quarks.

7 0

3 years ago

List the charge, location, and mass of a proton, a neutron,<br> and an electron.

olya-2409 [2.1K]

Atoms consist of protons, neutrons and electrons

Explanation:

There are three particles in an atom:

Proton: it is located in the nucleus. Its mass is $m_p = 1.6726\cdot 10^{-27}kg$ , and it is positively charged (its electric charge is $+1.6\cdot 10^{-19}C$ , also called fundamental charge)
Neutron: it is also located in the nucleus. Its mass is slightly larger than the proton ( $m_n = 1.6749\cdot 10^{-27}kg$ ), and it has no electric charge. Protons and neutrons are held together inside the nucleus by the strong nuclear interaction
Electron: it is located outside the nucleus, in a region called "electron cloud". According to quantum mechanics, its exact position cannot be determined, but it can only be described by a "wave function" which gives the probability of finding the electron at a certain position. Its mass is much smaller than the proton ( $m_e = 9.11\cdot 10^{-31} kg$ ) and it is negatively charged (its charge is the opposite of that of the proton: $-1.6\cdot 10^{-19}C$ ).

Learn more about atoms:

brainly.com/question/2757829

#LearnwithBrainly

3 0

4 years ago

For a large atom, which of the following would give the most stable nuclear configuration?

seraphim [82]

My answer is D but I will still try to word it out again

4 0

3 years ago

Read 2 more answers

niobium metal becomes a superconductor when cooled below 9 k. its superconductivity is destroyed when the surface magnetic field

Furkat [3]

Niobium wire with a 2.60 mm diameter has a maximum current capacity of 500 A while still remaining superconducting.

<h3>Describe the present.</h3>

Current is the rate at which charge passes from one point on a circuit to another. In a circuit, a significant current flows when several coulombs or charge pass over the cross section of a wire. When the charge carriers are firmly packed inside the wire, high currents can be generated at low speeds.

<h3>What do current and electron actually mean?</h3>

Electron movement is referred to as electron current. The positive terminal receives electrons that are released by the negative terminal. Traditional current, usually referred to as just current, exhibits behavior consistent with positive charge carriers being the source of current flow. Regular current is received at the positive end and then flows to a negative terminal.

To know more about current visit:
brainly.com/question/15141911

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5 0

1 year ago