Q: Triceps and biceps muscles in the upper arm are an example of what type of muscle relationship? Choices: - synchronized - symbiotic - competitive - opposing A:
opposing

(Question)
Q: Hydrogen peroxide will decompose over time to produce _______ gas. Choices: - methane - hydrogen and helium - water and carbon dioxide - water and oxygen A:
(Answer)
water and oxygen

Ques: Q: Frogs and toads, salamanders and newts, and caecilians are the three orders of what group of animals? Choices: - marsupials - reptiles - mammals - amphibians A:
Ans: amphibians

(Q).
Q: Deserts are generally dry ecosystems having very little what? Choices: - heat - snowfall - mountains - rainfall A:
(A).
rainfall

Ques:Q: What type of physics explains the behavior of visible light and electromagnetic waves? Choices: - Quantum mechanics - Thermodynamics - statistics - optics A:

Ans:optics

Q: What are the only organisms that can decompose wood? Choices: - bacteria - protists - fossil - fungi A:
fungi