You are presented with the quiz "Energy enters what in the form of sunlight or chemical compounds."   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "energy enters ecosystems in the form of sunlight or chemical compounds" and "biomes are global ecosystems".   So, what's the best answer to the question?

Answer: biomes


You are presented with the quiz "what are gases from burning coal and oil dissolving in water in the atmosphere?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "gases from burning coal and oil dissolving in water in the atmosphere causes acid rain" and "acid rain is harmful rain".   So, what's the best answer to the question?

Answer: harmful


You are presented with the quiz "What animals lack vertebral column or backbone?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "invertebrates are animals that lack a vertebral column, or backbone" and "invertebrates Among the invertebrates, the largest number of species are insects".   So, what's the best answer to the question?

Answer: insects


You are presented with the quiz "the cause of myocarditis cannot what?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "viruses cannot reproduce by themselves" and "often viruses are the cause of myocarditis".   So, what's the best answer to the question?

Answer:
reproduce by themselves