C10H11 +O2 - CO2 + H2O

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by

What if it is did darwin used to support his theory of evolution