A train is traveling at a constant rate of speed of 64 kilometers per hour. How many hours will it take the train to travel a distance of 160 kilometers?
Please provide the units with it

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Ineed this now one scientist feels that the changes in global climatic patterns may be good for the health of the biosphere. another scientist feels that sharp changes in climatic patterns could result in the extinction of the biosphere. which of these is the most likely reason the two scientists gave conflicting opinions on the impact of changes in the global climatic pattern? they do not have enough knowledge on the topic. they did not discuss the issue among themselves. they believe conflicting opinion strengthens science. they study different areas of science and have different scientific focuses.

Avector a⃗ has a length of 8.6 m and points in the negative x direction. find the x component of the vector −3.7a⃗ .