That's 11 to 20 lbs. (about 5 to
9 kg)
To prevent blood flowing back after each heartbeat. They ensure that the blood flows only in one direction (back to the heart).
Answer:
some could have gotten more shade or sun depending on where they were placed ,or some could have had trouble growing,plus some may have gotten more rain , it all really depends on where the plants are placed
Microscope allowed us to find known parasites, micro living things.
Technology allowed us to inherit knowledge on different plants and animals
Answer:
Use the vingear and baking soda experiment but change it to lemon and not vingear.
Explanation:
A chemical reaction takes place when vinegar and baking soda are mixed. One of the new substances formed is carbon dioxide gas. If the carbon dioxide gas is contained, the mass of the substances will stay the same according to the Law of Conservation of Mass. If the gas is allowed to escape, the mass will be less
