Pls help i’m boutta fail science
Which of the following chemical equations is unbalanced?
A) N2 + 2H2 -> 2NH3
B) 2H2 + O2 -> 2H2O
C) P4 + 5O2 -> P4O10
D) 4Na + O2 -> 2Na2O
help is very much appreciated

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

All of the following are part of the biosphere except

Effect of rotenone and antimycin a on electron transfer rotenone, a toxic natural product from plants, strongly inhibits nadh dehydrogenase of insect and fish mitochondria. antimycin a, a toxic antibiotic, strongly inhibits the oxidation of ubiquinol. (a) explain why rotenone ingestion is lethal to some insect and fish species. (b) explain why antimycin a is a poison. (c) given that rotenone and antimycin a are equally effective in blocking their respective sites in the electron-transfer chain, which would be a more potent poison? explain.