a brick 20cm long,10cm wide and 5cm thick has a mass of 0.5Kg Determine the greatest pressure that can be exerted by the brick on the surface​

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

Energy flows from the producer level to the level. is called