Question

(01.05 mc)
you and your friend read an article about the role that sharks play in ocean ecosystems. the article describes how sharks help control fish populations and gives evidence to suggest that if shark populations decrease, toxic algal blooms would increase.
which of the following is the topic of this article?
sharks play an important role in the ocean.
fish populations
decreasing shark populations
sharks
2 multiple choice 2 points
(01.05 mc)
you and your friend watch a video about the technological advancements of the ancient inca. the video describes the way incans mastered their mountainous environment by creating a well - organized system of roads and carved staircases. it also shows how the inca engineered sturdy suspension bridges to cross between tall mountains.
which of the following is the topic of this article?
incan engineering
incan roads
the inca used engineering to adapt to their environment.
impressive incan bridges

Explanation:

1. The first article focuses on the role sharks play in ocean ecosystems and the consequences of decreasing shark populations. The over - arching topic is the importance of sharks in the ocean.
2. The second video is about the technological advancements of the ancient Inca, specifically their engineering feats like road - building, carving staircases, and creating suspension bridges. The main topic is Incan engineering.

Answer:

1. Sharks play an important role in the ocean.
2. Incan engineering