Which of the following statements is true about calcium? (Select all that apply.) A Calcium is a macronutrient.
B Calcium is a micronutrient.
C Calcium helps to give the plant structure,
D Calcium aids in chlorophyll production

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

The answer is the first option just took the test