TYLER travelled from town f to town g for The first 2.5hours, he travelled at a constant speed of 60km/h for the next 1.5 hours, he travelled at a constant speed of 80km/h. What was the average speed for the whole journey?__km/h

The density of a liquid could be found by using

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.