D. spatial skills
The hypothesis is stating that spacial skills will improve by playing video games. The dependent variable is the variable that is tested and measured. In this hypothesis what is being tested are people's spacial skills to see if they improve after playing video games. Playing video games is the independent variable. In the experiment some people will be playing video games while others will not (control group).
Answer: Hope this helps.
Explanation: States still found ways to circumvent the Constitution and prevent blacks from voting. Poll taxes, literacy tests, fraud and intimidation all turned African Americans away from the polls. Until the Supreme Court struck it down in 1915, many states used the "grandfather clause " to keep descendents of slaves out of elections. The clause said you could not vote unless your grandfather had voted -- an impossibility for most people whose ancestors were slaves.
B. It has all compound sentences.
Answer:
Explanation:(popular sovereignty, limited government, separation of powers, checks and balances, judicial review, federalism, and republicanism)
Answer: Summary below
Explanation:George Steinhauser made an important discovery about bellybutton lint. He was curious and wanted answers, so he began studying his own bellybutton lint. He discovered that the naval lint contains cotton from clothing, as well as dead skin, sweat, dust, and fat. His research also helped explain how lint accumulates. As it turned out, the hair on the human stomach acts as small hooks that capture and hold contents within. You may shave your stomach, but the hairs act as a natural way to protect your bellybutton from germs and unwanted objects.
