Why do some objects, such as doors and windows, get bigger and smaller? i'l give 15 points to whoever answers this! plz! : /

its because they expand in the heat of summer and contract in cold winter. add me as brainliest

Ch4 is nonpolar and insoluble in water. since all of the hydrogen atoms are evenly spread around the carbon atom even through the c h bond is polar all the poles cancel each other out.