sustainability refers to using resources in such a way that we ensure that they will be clean and healthy for our use

What protects the lining of the stomach from acidic gastric juices?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. a few months later, she accomplishes this same task relatively easily. the change in abilities is most likely due to