You are presented with the question "what females lack a uterus and vagina?" and the following answer choices: - alveoli - echidna - cows - women - dogs - ligt - alpacas - goats Now knowing that female monotremes lack a uterus and vagina and examples of monotremes are the Platypus and Echidna, choose the best answer.
echidna

You are presented with the question "what smooths over long periods of time due to contact?" and the following answer choices: - oxygen - calcite - h2o - clouds - erosion - shale - bamboo - rivers Now knowing that contact between rocks over long periods of time causes rocks to smooth and primary rock types are Sandstone, and Shale, choose the best answer.
shale

You are presented with the question "What is formed by deposition of sediment at the mouth of a water supply fanning out?" and the following answer choices: - a hurricane - soils - a delta - an ocean - soft soil - an island - detritus - spring Now knowing that adelta is formed by deposition of sediment at the mouth of a river by water fanning out and rivers provide a water supply, choose the best answer.
a delta

You are presented with the question "What type of terrain has little wildlife? " and the following answer choices: - Woods - Volcanic - Flatland - Winter - dry and hot - threatened - Steppe - lack Now knowing that natural disasters can cause animals to leave an environment and life in a volcanic environment can nevertheless be treacherous for animals, choose the best answer.
Volcanic