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which sentence is written correctly?
a.
usually, a battery of tests are required to determine if a person has had a heart attack.
b.
in north america, a range of mountains are often home to a variety of plants and animals.
c.
a standard deck of playing cards contain a total of 52 cards that are used in various games.
d.
the dallas symphony orchestra, which was founded in 1900, warms up before each rehearsal.

Identify the noun clause in each sentence the jury didnt believe that the defendant was innocent

What does the word subordinate mean in this sentence? the office manager spoke to her subordinate in a cordial tone.

Which statement best expresses a claim a.although many people believe homework is a crucial part of school, there is evidence to suggest that homework may not be as valuable as once thoughtb.the amount of homework given by some high school teachers is insane and actually has negative effects on other important aspects of a student's life c.i would have so much more time to do the extracurricular activities and hobbies i enjoy if i did not have to spend most of my evenings doing homework d.some schools have adopted homework policies that limit the amount of homework that teachers are allowed to assign their students each night