Can danio rerio cells make their own food ?

What is the standard unit of measure for acceleration?

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand