Answer:
B. Gravel has more porosity than sand
Explanation:
Porosity is the gap between stuff. Water would go through gravel easier than sand. Definition of Porosity is -(of a rock or other material) having minute spaces or holes through which liquid or air may pass.
The first box is migration
The second box is the northern regions have become warmer because of climate change
Answer:
water is what earth is mainly made of. our bodies are also mainly water.
It's because taking them regularly until the prescription is complete helps ensure that all of the illness-causing bacteria are killed or prevented from multiplying
