Read the introduction of an informative report on ocean pollution
Which sentence would be the best addition to the start
of this introduction paragraph?
Abc
Currently, this issue is being examined by
environmentalists, who are focusing on two key issues
that align with our findings. Ocean pollution is having a
destructive effect on fragile ocean ecosystems. It is
also contributing to climate change as a whole. This
report will discuss both issues, examine key findings
related to these issues, and make several issue-related
recommendations.
O Ocean pollution is a problem that many people
around the globe are trying to solve.
O Many people think that garbage in the ocean should
be cleaned up to help the environment.
O About two million tons of plastic makes its way into
the world's oceans every year.
O This report will examine the effects of plastic and
other forms of pollution on our oceans.
h
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What’s the difference between extract and abstract as nouns and verbs?

Read the excerpt from "save the redwoods."another, one of the finest in the grove, more than three hundred feet high, was skinned alive to a height of one hundred and sixteen feet from the ground and the bark sent to london to show how fine and big that calaveras tree was—as sensible a scheme as skinning our great men would be to prove their greatness.which  best  describes how the excerpt appeals to readers’ emotions? the excerpt provides facts about the tree, which impresses readers’ scientific minds.the excerpt describes how the tree traveled to london, which excites the readers’ sense of adventure.the excerpt compares the tree to a person, which makes readers feel sympathetic toward the tree.the excerpt explains how to skin a tree, which makes readers feel awed at the height of the tree.

The “big dig” the “big dig” (the central artery/tunnel project) has been complex and challenging. located in boston, massachusetts, this tunnel is eight lanes wide and three-and-a-half miles long. what is most amazing about this tunnel is that it is constructed under a major highway and skyscrapers located in boston’s financial district. construction crews used “clamshell excavators” during this dig. these machines carved narrow trenches, and then a special substance was pumped into the trench to keep the dirt from caving in. finally, steel beams were lowered into the trench and concrete was pumped in. one problem that engineers faced while constructing the tunnel is the fact that the soil beneath boston is extremely loose and soggy. engineers solved this dilemma by freezing the soil and pumping very cold water into pipes beneath the city. to strengthen the soil even further, a special type of glue was injected into the ground to with the consolidation of the soil. 23 which phrase best defines the word excavator as used in the passage? a. a device used to measure underground temperatures b. a device used to level uneven surfaces c. a device used to move heavy objects d. a device used to dig holes