A car covers 100 km in 2 h , what is the speed of the car. {I want full answer}

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

What happens to the light rays when they hit the specimen?

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.