Answer:
....heart and lungs
Explanation:
The organs protected by the thoracic cage include the heart and lungs
Fertilisation. This is where the sperm meets the egg and fertilises it to allow it to become an embryo and hence a foetus.
It’s provides nutrients to the living cell.
Answer:
Crush the limestone... it would give more area for the acid to react
Explanation:
when the limestone is crushed, irt will expose more surface area to the acid making the reaction go quicker.