Ques: Q: What does the esophagus connect to at its bottom end? Choices: - the colon - the larynx - the large intestine - the stomach A:
Ans: the stomach

Ques: Q: What is the blastocyst called after implantation? Choices: - trophoblast - an nucleus - an produce - an embryo A:
Ans: an embryo

Ques: Q: What are found primarily in lines around the edges of some continents? Choices: - volcanoes - glaciers - Reefs - earthquakes A:
Ans: earthquakes

Ques: Q: In what season are temperature inversions more common? Choices: - spring - autumn - summer - winter A:
Ans:
winter