Answer: I’m on this too and I’m struggling if your not done let’s do this together?
Explanation:
Answer: Plagioclase Feldspar, Quartz, Pyroxene
Explanation: Andesite is rich in plagioclase feldspar and amphibole minerals. Quartz and pyroxene minerals may be absent or present in small quantities. Small amounts of mica will be present as biotite or muscovite. Andesite usually does not contain olivine.
Answer: 90th percentile i think, if not it’s 85th lol
Explanation:
median is 148.5
mean is 145.8
