Answer: a)Copper and tin
Explanation: Copper and tin came into use at very early ages in the form of utensils, ornament etc. They were discovered in a way that it is possible for the people of early ages to extract these metals and melt them to give it some kind of shapes and utilize it for their daily living.People also started using these metals in the form of alloys as well which expanded the used of metals like copper, tin , bronze etc. Thus, correct option is copper and tin.
The “sphere” in lithosphere, atmosphere, and hydrosphere means envelop. The atmosphere, therefore, consists of gases that envelop the Earth. The hydrosphere defines the water that covers 71% of the Earth's surface. The lithosphere refers to the rocks of the Earth's surface and upper mantle, or the depth of the plates.
Answer:
The epicenter to a biologically impaired person is simply, the point where the devastation is much. The point where the earthquake originates.
Explanation:
I will further explain thus, between California and Los Angeles is about 50 miles apart. That is about 190 towns in between. So, whatever devastation we feel hear, will be triple what they will feel at the epicenter. Epicenter is where the damages to structures and environment are most.
I can go further to use what happens bomb exploxion to further drive home the meaning. If there is a bomb {grenade} explosion, the point where the explosion occurs has more devastation than areas about 100 meters away.
<span>Most islands within Oceania have tropical humid climate.Most of the islands will have tropical climate because the monsoon winds will change direction according to the seasons .Then it is also located in eastern and western hemispheres.</span>
I think the answer is D , I think....
