Hello, i am to this application i hope you take your time to me answer something so easy

¡this is science but i don't find the subject that goes in the application!

Which of the following is defined as combinations of soil particles that vary in size and shape?

The european union was formally established in

Choose the factors that influence the climate of the u. s. northeast. distance from the equator proximity to large urban areas elevation secluded area distance from a large body of water