The "spread of nuclear weapons and technology" is known as Nuclear Proliferation.
Answer: Option D
<u>Explanation:
</u>
Nuclear proliferation is described as the spread of weapons , fissionable material, and nations that are not recognized as "Nuclear Weapon States" by the Treaty is known as the "Non-Proliferation Treaty or NPT" of Nuclear Weapons.
Proliferation is opposed by many nations due to fear of arise in nuclear warfare with nuclear weapons. This leads to de-stabilization of international or regional relations, or infringe upon the national sovereignty of states.
<h2>Answer:</h2>
<u>Ozone is produced by the </u><u>reaction of solar radiation with atmospheric oxygen</u>
<h2>Explanation:</h2>
Ozone is a special form of Oxygen which is present in the atmosphere and it protects us from dangerous ultraviolet radiations which comes from the sun. The chemical formula of ozone is O3. This gas is produced naturally in the stratosphere when some highly energetic solar radiation come from the sun and strikes molecules of oxygen present in the atmosphere and cause the two oxygen atoms to split apart in a process called photolysis.
Answer:
B
Explanation:
It allowed all other countries into Canada to trade ,hence ,it boots their economy to it's current status
The Philippines is at high risk from cyclones, earthquakes, floods, landslides, tsunamis, volcanic eruptions, and wildfires.
False, sources of salt water are ocean, sea water, <span>Some of the ocean's salts have been dissolved from rocks and sediments below the sea floor</span>Others have escaped from the Earth's crust through volcanic vents as solid and gaseous materials.
