Las vitaminas liposolubles (A, D, E, y K) son lípidos a base de isopreno que se almacenan en el hígado y la grasa.
The correct answer is the first one i think
The prefix "poly-" means "many," and "atomic" refers to atoms, so a polyatomic ion is made of 2+ atoms covalently bonded together. These ions are charged, which is why they can never stand alone.
The mass will stay the same because of the conservation of mass
Control group: 50 dogs continuing their normal diet
Experiments group: 50 dogs chosen to eat the new food
Independent variable: dog food
Dependent variable: the dogs’ weight
