A Which of these sentences is written correctly?
A Increasing levels of pollution causes damage to the ecosystem and has the ability to
harm many animals.
O
B The killing of elephants for their tusks have caused the elephant population to
dwindle.
O
C Amanda's exceptional writing skills and her previous work experience has made her a
prime candidate for the position.
D Improvements to the nation's educational system have become a primary source of
discussion on the campaign trail.

One of the author's purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with enormous speed mark this and return save and exit next submit

How did the man from "to build a fire" put his life in danger?

Choose a theme addressed by the writers you have studied in this unit, such as coming of age, the conflict between greed and morality, the horrors of war, the injustice of racism, the excesses of materialism, or the divide between rich and poor. explain the relevance of this theme in today’s world and how it affects you. provide examples to support your position.