Answer: germination business? I may be wrong but are there any options?
Answer:
If the Universe holds enough matter, including dark matter, the combined gravitational attraction of everything will gradually halt this expansion and precipitate the ultimate collapse. Over time, galaxies, then individual stars, will smash into each other more frequently, killing off any life on nearby planets.
Explanation:
Answer: The answer would be Hypothesis, Experiment, Analysis of data, then lastly conclusion.
Answer:
all plant cell have primary cell wall .it is thin and occurs outside of the cell membrane. it mainly consists of cellulose fibres that that can stretch the cell to grow .