Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) One element is involved in opening and closing of stomata, the other helps to maintain the ribosome strucutre they are - - Sarthaks eConnect

One element is involved in opening and closing of stomata, the other helps to maintain the ribosome strucutre they are :-

Potassium and Calcium

Phosphorus and Sulphur

Potassium and Magnesium

Calcium and Sulphur