H20* SOO N34 Thats my answer
Well, you don't need enzymes (biological catalysts) if you're willing to wait a century or two to digest a burger.
Without catalysts, complex reactions like digestion would take too long and the organism could not extract energy from the nutrients it eats in a practical time frame.
In addition, speed is everything in the biological world.
Some reactions and their speed relative to other organisms reactions determines who survives and who doesn't, among other aspects of life.
If a plant is slow to photosynthesize and grow in a habitat high in competition for sunlight real estate, other autotrophs will surely take over.
Answer A: CO2
Reason: carbon dioxides formula is CO and the number next to it is the molecules
I'm pretty sure it's B)constructive
Answer: Yes! you're all good. Alkali metals in group 1 are the most metallic :)