Nitrogen has atomic number of seven. Which of the following must be true based on the fact? 1. An atom of nitrogen must have seven electrons

2. Them of nitrogen must have three protons and four electrons

3. An atom of nitrogen must have seven protons

4.An atom of nitrogen must have for protons and three electrons

What process allows for the development of haploid sex cells? mitosis meiosis fertilization pollination

Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 → 2 → 3 b) 2 → 3 → 1 c) 2 → 1 → 3 d) 3 → 2 → 1 e) 3 → 1 → 2

Write the balanced chemical equation forphotosynthesis.