Coal is what remains of ancient forests after millions of years of exposure to subterranean high temperatures and pressures. What group of land plants is thought to have contributed most to this fossil energy source?a) lycophytes. b) sphagnum mosses in peat bogs. c) ferns and horsetails. d) bryophytes. e) conifer and angiosperm trees.

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.