Answer:
All objects that have balanced forces acting on them must be stationary is an example of Newton's first law of motion.
Explanation:
- Newton's First law of motion is the Law of inertia, that states a body continues to be in state opf rest or state of motion untill an unbalanced force acts on it.
- So if a body has all balanced forces acting on it then it will continue to remain in state of rest i.e. it will be stationary.
- The first example describes Newton's third law, that every action has equal and opposite reaction.
- The second and third example supports Newton's Second Law, the law of momentum which states that the rate of change oif momentum is directly proportional to the force applied on the body and the mass of the body.
Answer:
<u>Breathing: </u>is the physical process of exchanging gases
<u> respiration: </u>is a chemical process that takes place at a cellular level and produces energy.
Quarantines. All other options are medical ways.
Answer:
<em>The correct option is 'Nitrogen has a larger radius and one less proton than oxygen.'</em>
Explanation:
Atomic number can be described as the number of protons in an atom. The atomic number of nitrogen is 7. This means that nitrogen has seven protons in its nucleus.
The atomic number of oxygen is 8 which means oxygen has 8 protons in its atom. Hence, oxygen has one more proton than a nitrogen atom.
The radius of an atom decreases when moving from left to right in the periodic table. Hence, the radius of nitrogen will be larges as compared with oxygen.
The probable reason for the case would be that the sea floor 200 million years ago is now above the sea level.
The ocean floor is the eventual recycling center. While the Earth's continental crust can prevail for billions of years, the movement of tectonic plates results in subduction, that is when the crust of the ocean is pushed down into the present mantle. So, the ocean floor hardly endures longer than 200 million years.
