Q: When a series of measurements is precise but not what, the error is usually systematic? Choices: - velocity - length - color - accurate A:
accurate

Q: The first consumption of breast milk or formula floods the baby's gastrointestinal tract with what? Choices: - hemoglobin - nerves - enzymes - beneficial bacteria A:
beneficial bacteria

Q: Q: What isotope of carbon is typically used to date ancient items? Choices: - uranium 14 - nitrogen 14 - carbon 12 - carbon 14 A:
A: carbon 14

Question: Q: Why do crystals have relatively sharp and well-defined melting points? Choices: - particular intermolecular forces - variable intermolecular forces - angular intermolecular forces - uniform intermolecular forces A:
Answer: uniform intermolecular forces

*Question*
Q: What kind of summers do humid continental climates have? Choices: - dry summers - warm summers - wet summers - cold summers A:
**Answer**
cold summers

(Question)
Q: When a glacier no longer moves, what is it called? Choices: - a glacial lake - an iceberg - an ice cylinder - an ice sheet A:
(Answer)
an ice sheet