Match these machines with their examples. 1. seesaw wedge 2. pencil sharpener third-class lever 3. bottle opener wheel and axle 4. forearm second-class lever 5. nail first-class lever

Explanation:  

Simple machines make our work easier. There are many types of simple machines.

(1) Seesaw is an example of a first-class lever. In the first class lever, the fulcrum is present in the middle of the lever.

(2) Pencil sharper: It is a compound machine. It consists of wheel and axle and wedge also.

(3) Bottle opener: It is a type of 2nd class lever. In this, the fulcrum is present at one end.

(4) Forearm: It is an example of a third-class lever. Fulcrum is present at one end in the third class lever.

(5) Nail: It is an example of the wedge as all knives or nails are wedges.

because the asteroid belt is between the mars and jupiter orbits, it is around 2.2 to 3.2 astronomical units (au) from the sun – which is approximately 329,115,316 to 478,713,186 km. the average distance between objects is a massive 600,000 miles.

explanation:

the wires in the toaster turning red and the toast crisping and turning brown