Answer:
Explanation:
A body remains at rest or in motion unless or until an external force is applied. This is called Law of Inertia
Now When ketchup bottle is turned upside down and smack is applied to it, it causes the ketchup to start moving thereby disturbing its motion of rest and provide its motion.
And according to the first law state of rest is broken by applying an external force.
Answer:
<h2>hydrophobia </h2>
Explanation:
<h3>it is phobia of water</h3>
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<h2>arshad2623f</h2>
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Hi! Some rocks are porous material, like a sponge, with lots of air pockets inside, so they can absorbe water. In this case, the water level dropped 5.65m because tha volume of water went inside the rock filling the air pockets. The water replaced the air, that flowed to the outside water as bubbles and then to the air above the water.
The isotopes of a element is defined as the atoms having same atomic number and different mass number.
As per periodic table Br has atomic umber Z=35 and its atomic mass is given as 79.904 or 79.
As per the question nothing has been mentioned .
so all the atoms whose atomic number will correspond to 35 will be considered as the isotope of bromine.
Generally Bromine exhibits two isotopes which are stable.The isotopes are Bromine-81 and Bromine-77.
Some times during the process of gamma decay Bromine forms many radio isotopes also which are unstable.
