What are some good sources of the human enzyme catalase?

But we pulled at the grill [on the ground] and it gave way. and then we saw iron rings as steps leading down a shaft into a darkness without bottom. … it was a great tunnel. its walls were hard and smooth to the touch; it felt like stone, but it was not stone. on the ground there were long thin tracks of iron, but it was not iron; it felt smooth and cold as glass. we knelt, and we crawled forward, our hand groping along the iron line to see where it would lead. but there was an unbroken night ahead. what is the most likely explanation for the walls described in the bold text?

Read stefon’s notes on the topic of chicago’s maxwell street market. his purpose is to inform readers about the market’s historical significance. maxwell street market • the market was a famous immigrant business district in chicago. • it was mostly open-air, but it also had stores and restaurants. • beginning in the 1940s, it was a mecca for blues musicians. • famous musicians such as muddy waters played there. • playing outdoors required amplifiers; this lead to the development of the “chicago blues” sound. • the market was shut down to make way for new development in the 1980s and 1990s. which of the following is the best example of a central idea for his essay? a. the maxwell street market was much too valuable to be shut down. b. for over a century, new immigrants to chicago made their home on maxwell street. c. successful stores and restaurants made the maxwell street market an essential part of chicago history. d. as the birthplace of the “chicago blues,” the maxwell street market plays a critical role in the city’s history.

Question 5 of 101 pointwhich of these describes how the introduction of the printing press affectedsociety? oa. more people could read about important civic events.oob. people had the ability to print and share their ideas.ooc. people could keep printed records of agricultural goods.ood. more people could influence the media of that time.submit