What causes a molecule to be polar?

Use the drop-down menu to complete the statement. an electron in the first energy level of the electron cloud has an electron in the third energy level.a. a lower energy thanb. a higher energy thanc. the same energy as

This diagram shows how seed plants are grouped. which is the missing label? bryophytes angiosperms pteridophytes monocots

Support mangrove trees out of the water. a) pneumatophores b) prop roots c) sand dunes d) tide supports