1. Which rock sample had the most porosity? Which sample had the least? 2. How much empty space was there in the medium-sized rock sample?

3. How much time did it take the water to flow through the gravel? The sand? What about the dirt?

4. Which sample is the most permeable

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

hope this any more questions i am here plz mark brainliest

can you make it bigger i can't see it