Mom's of toddlers.. Is this normal behavior?

My son just turned two. He is constantly trying to rip books/paper. He eats the paper. When we are outside he is always trying to eat grass, rocks, dirt... No matter how many times I have told him no and taken it out of his mouth.

He was just diagnosed with a speech delay, possibly from birth trauma but cause is still unknown.

Do you think these two could be related? Or are those behaviors typical for a toddler?