What is carbons amount of electrons!

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest