Covalent bonds hold a water molecule together.
I think Metamorphism changes only the shape of rocks. I'm not a 100% sure but correct me if I wrong
Answer:
Las teorías extraterrestres o de panspermia sugieren que la vida existió en el espacio exterior y fue transportada por meteoritos, asteroides o cometas a una Tierra receptiva. En este caso, el origen de la vida no está relacionado con los posibles entornos de la Tierra primitiva.
Explanation:
You should avoid eating large amount of SATURATED FATS.
Saturated fats are those fats which chemically are made up of single bonds. This type of fat can be found in food such as animal fat, [for instance, butter, cheese, cream etc.], whole meat dairy product and fatty meats, coconut oil, palm kernel oil, etc.
Saturated fats are bad for the heart because it can raise the amount of LDL cholesterol in the blood thus increasing the risk of heart diseases.
Without oxygen, organisms can just split glucose into two molecules of pyruvate.With oxygen, organisms can break down glucose all the way to carbon dioxide. This releases enough energy to produce up to 38 ATP molecules. Thus, aerobic-respiration releases much more energy than anaerobic respiration.That's what Respiration to generate engery.
