Answer:
The answer is B: Scientists are confused by the different ways the rocks move, and the theories involving wind, ice, and mud have not been proven.
Explanation:
In the second paragraph, it is said that scientists have been baffled by the variety of rock movement. Then, there was a description of their movement and some possible reasons for why it happens. Some of the reasons(wind, ice and mud) were suggested by scientists. The paragraph then ends by saying that none of the theories have been confirmed by research.
This is conveyed very well by option B therefore it the correct option as the main idea of the paragraph.
B, in writing we can more easily conceal our attitudes.
The reciprocal is when you flip a fraction. So the reciprocal would be 10/7.
Answer:
The data watchdogs clampdown on social media goes further than MPs expected and is only part of a much bigger counter-attack. It was anticipated that the draft guidelines from the Information Commissioner´s Office would deal with the gathering and management of children's data, and they would demand that companies collect the absolute minimum of information in line with teenagers´ welfare and security.
Explanation:
Apostrophes in English are most commonly used for contractions.
However, there´s also the possessive apostrophe which shows possession by adding 's to a noun (Commissioner´s Office).
If the noun in case ends in s, wether is singular or plural, the possession is shown by adding an apostrophe after the s (teenagers´ welfare).
The answer is it adds some unexpected hope by showing that people create beauty even amid poverty.
