Not for long. We use oxygen for cellular respiration and plants make oxygen so if all the plants died, we would only have so long to live
Answer:
calcium is not a main element of calcium . question 2 hemoglobin is a globular protein with an embedded heme group. so a transportation protein and question 3 the building blocks of proteins are amino acids.
Explanation:
Answer:
sexual reproduction between two individuals from different continents
I’m not sure but I think is the answer C