You are presented with the question "What is it called when rocks are broken down mechanically?" and the following answer choices: - mines - dangerous - coral reef - cracking - tube - loose soil - calcite - erosion Now knowing that mechanical weathering is when rocks are broken down by mechanical means and erosion begins with the weathering, or breaking down, of rocks and soil, choose the best answer.
erosion
You are presented with the question "Absorbing what causes cars to heat?" and the following answer choices: - cool - Pollution - sunlight - energy - oxygen - shade - ice - Energy. Now knowing that absorbing energy causes objects to heat and every car is in the group vehicles and in the group ground objects , choose the best answer.
energy
Q: You are presented with the question "Space explorers require preserved foods for" and the following answer choices: - ground training - nutrients - Dehydration - survival - long flights - short flights - Special disposal - day trips Now knowing that astronauts require preserved food for extended flights and an astronaut is a scientist who is a space explorer, choose the best answer.
A: long flights
Question: You are presented with the question "evolution over what time above the level of the species includes speciation events" and the following answer choices: - movement - ligt - environment - radiation - geologic - relocation - Most plants - animals Now knowing that macroevolution is evolution over geologic time above the level of the species and speciation events are thus examples of macroevolution, choose the best answer.
Answer: geologic
*Question*
You are presented with the question "what adults are barrel-shaped?" and the following answer choices: - offspring - fertile - barnacles - Length - insects - sea squirts - humans - beer Now knowing that adult tunicates are barrel-shaped and tunicates, or sea squirts, are marine organisms covered with a gelatinous tunic, choose the best answer.
**Answer**
sea squirts
*Question*
You are presented with the question "what increases genetic diversity?" and the following answer choices: - deoxyribonucleic acid - Males and females - h2o - death - same sex marriage - combining egg and sperm - rapid expansion - By coral exoskeletons Now knowing that sexual reproduction increases genetic diversity and sexual reproduction combines an egg and a sperm, choose the best answer.
**Answer**
combining egg and sperm