Question

The levels of organization in living things are cell, tissue, organ,

and organs-system. What level of organization is each layer - the
epidermis, palisade layer, spongy layer? __ . The entire
leaf would then be considered to be a__.


HELP PLEASE!!!

Answer 1

An ion with a -2 charge, atomic number 17, an atomic mass of 25 has how many electrons?

Step-by-step explanation: