Which of the following best describes why earth’s atmosphere can support life on earth?

a. contains abundant carbon dioxide

b. contains a suitable amount of oxygen

c. is very thin, thus allowing harmful gases to escape from it

d. has layers that filter out pollution

What are two of the most common reasons that peolpe who need mental health care do not access it?

Write a program that defines symbolic names for several string literals (chars between quotes). * use each symbolic name in a variable definition. * use of symbolic to compose the assembly code instruction set can perform vara = (vara - varb) + (varc - vard); ensure that variable is in unsigned integer data type. * you should also further enhance your symbolic logic block to to perform expression by introducing addition substitution rule. vara = (vara+varb) - (varc+vard). required: debug the disassembly code and note down the address and memory information.

In 2009 to 2010, how many social network users were reported as being victims of online abuse? a. 1 in 10 b. 100% c.1 in 100 d. 50%