Answer: Any pencil label from 4B to 8B
Explanation:
Your H labels on pencils tend to show that the pencil has a softer lead. Therefore the B lables on pencil have harder leads.
See attached image for an image of my explanation.
Answer:
Explanation:
There are five main modes of seed dispersal: gravity, wind, ballistic, water, and by animals. Some plants are serotinous and only disperse their seeds in response to an environmental stimulus.