<span>An ecommerce application is the software that handles ecommerce transactions. It helps customers to find products, make a selection and submit payment. A key component of an ecommerce application is an online shopping cart. </span>
<em><u>Answer:</u></em>
<em><u>1. Pedestrians - Most of pedestrians use to walk on the footpath along side road that keeps them on a safe side. But there are places without footpath along side road, in that case they have to walk on the road itself. Here, we need to take care for them. We need to wait in case they are crossing road and also check for them while taking a turn.
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<em><u>2. Cyclists - They travel on road but are tough to figure out. They travel at a slower pace compared to cars. To avoid any accident with them, we are supposed to give them enough space which should be equivalent to a car's space.
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<em><u>3. Motorcyclists - They can pass by very closely and also come between lanes. Most of the things to be considered here are same as that of cyclists. Here also, we need to check for them carefully while taking a turn. Also, need to give them enough space.</u></em>
<em><u>Explanation:</u></em>
I think the correct answer from the choices listed above is option D. It would be plate tectonics that is powered by energy from Earth's interior since it is the only choice that is underneath the surface of the Earth. Hope this answers the question. Have a nice day.