Question: Q: What helps push the fetus from the uterus during birth? Choices: - glands - tremors - Shaking - contractions A:
Answer: contractions

Question: Q: What has increased the greenhouse effect? Choices: - ozone depletion - temperature changes - climate change - human actions A:
Answer: human actions

Question: Q: Although fewer in number than chemical synapses, what type of synapses are found in all nervous systems and play important and unique roles? Choices: - duplicating synapses - beginning synapses - dual synapses - electrical synapses A:
Answer:
electrical synapses