Questions with the keyword 'chemistry'

• why do plant use co2 for photosynthesis ? by to Amelia, Izzy Comments: (No comments so far )
• why do plants need potassium? by wookiee to Amelia, Izzy Comments: (No comments so far )
• what elements does a plant need to grow? by to Amelia, Izzy, Sarah Comments: (No comments so far )
• Why Is Ice Slippery? by to Amelia, Izzy, Sarah Comments: (No comments so far )
• what’s the main difference between evergreen trees and trees that lose there leaves in the autumn/winter time, is it do by to Sarah, Izzy, Clem, Amelia Comments: (No comments so far )
• What chemicals are in Marijuana ? Is the Redwood tree still alive ? by to Amelia Comments: (so far, 4s comments )