You are presented with the question "What was the first known animal with a backbone?" and the following answer choices: - pigs - Birds - sharks - Elephant - Dog - Fish - Human - Man Now knowing that vertebrates are all chordates that have a backbone and fish are the first known true chordates, choose the best answer.
Fish
You are presented with the question "How can heat be kept?" and the following answer choices: - an electric stove - exposed material - insulated material - hydration - permeable material - electricity - wet material - In the winter Now knowing that insulated material can be used for keeping warm and sunlight heats the ground, warming it up, choose the best answer.
insulated material
Q: You are presented with the question "What converts chemical energy into sound?" and the following answer choices: - a firework - sensory neurons - Gunshots - a bottle - a battery - animals - a flashlight - engines Now knowing that afirecracker converts chemical energy into sound and fireworks are illegal, including firecrackers, choose the best answer.
A: a firework
Question: You are presented with the question "Erosion causes the Nile to become:" and the following answer choices: - Sediment - shallower - less wide - deeper and wider - homogenous - colder and wetter - faster - Physical weathering Now knowing that erosion causes a river to become deeper and wider and water and the Nile River are important to Egypt, choose the best answer.
Answer: deeper and wider
*Question*
You are presented with the question "What is plasma?" and the following answer choices: - hot - fungible - cell - gas - p53 - TRH - calm - fickle Now knowing that plasma is formed by electrons separating from atoms in stars and stars shine because they are hot , choose the best answer.
**Answer**
hot
You are presented with the question "What causes oxidation to happen at a faster rate?" and the following answer choices: - flow of electrons - Organic compounds - Cooking - heating liquids - Hot conditions - Greenhouse gases - hydrogen and oxygen - an electric stove Now knowing that chemical weathering causes iron in rock to oxidize and oxidation occurs readily during hot weather, choose the best answer.
Hot conditions