6. The remora has a suction cup on the top of its head to attach to the shark. It eats the excess food that the shark doesn’t eat and also gets a free ride (using no energy of its own for movement). The shark is not harmed. Organism 1 Organism 2 Type of Symbiotic Relationship

Zinc + lead(ii) nitrate yield zinc nitrate + leadwhat's the chemical equation for this?

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

Concerning the 10.0 ml of 0.50 m nacl to 100 ml of solution: when a solution is diluted, does it change the number of moles dissolved?