(Question)
Q: What cells carry oxygen? Read this paragraph and choose the correct option from the provided answers: Red blood cells carry oxygen, white blood cells defend the body, and platelets help blood clot. Choices: - marrow cells - white blood cells - lymph cells - red blood cells A:
(Answer)
red blood cells

(Question)
Q: Fossil fuels are made out of what two objects? Read this paragraph and choose the correct option from the provided answers: Fossil fuels are made from plants and animals that lived hundreds of millions of years ago. The plants and animals died. Their remains settled onto the ground and at the bottom of the sea. Layer upon layer of organic material was laid down. Eventually, the layers were buried very deeply. They experienced intense heat and pressure. Over millions of years, the organic material turned into fossil fuels. Choices: - gases and animals - plants and water - soil and animals - plants and animals A:
(Answer)
plants and animals

(Question)
Q: Scientists ask questions, and then make detailed observations to try to ask more specific questions, in order to develop what? Read this paragraph and choose the correct option from the provided answers: A scientist is always trying to find the truth and discover new truths. How can you think like a scientist? Thinking like a scientist is based on asking and answering questions. Though you may not know it, you do this all day long. Scientists ask questions, and then make detailed observations to try to ask more specific questions and develop a hypothesis . They may design and perform an experiment to try to answer their question and test their hypothesis. From the results of their experiment, scientists draw conclusions . A conclusion describes what the evidence tells the scientist. Choices: - Tests - suggests - theories - hypothesis A:
(Answer)
hypothesis