What carries electrical messages from the brain to the heart

Galaxy whose shape seems different follow no set pattern are classified as

What would happen if the krill were removed from the food web

Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air