很急!今天就要回答! 科学问题

题目

很急!今天就要回答! 科学问题
One function of a stem is to
1 store food for the plant
2 store oxygen in the plant
3 take in dissolved mineral salt
4 hold the plant firmly to the ground
要解释,答案好加分!

答案

One function of a stem is to茎的一个作用就是1 store food for the plant店铺食品工厂2 store oxygen in the plant2储氧在植物3 take in dissolved mineral salt3拿在矿物盐溶解4 hold the plant firmly to the gr...