What is the most often given a value of zero to describe an objects position on a straight line a. displacement b. reference point c. distance d. ending location

As , plants meet their needs for making food from air, soil, water, and the sun's energy in a process called there are plants called grow high in trees without here are words to put in the blanks. 1.) producers 2.) consumers 3.) chloroplasts 4.) epiphytes

Which entry is in the wrong position in the table?

What element is able to combine with itself and hydrogen to form large molecules ?