Answer:
The 2.8 million-year-old specimen is 400,000 years older than researchers thought that our kind first emerged.
Explanation:
Answer: The answer is "D it is unique to humans". If this is incorrect then the answer would be "B) It is constantly contested, negotiated, and changing.
" Hope this helps
Explanation:
Rays moving from the equator to 23.5 N), Summer (perp. Rays moving from 23.5 N to equator) and Fall (perp. Rays moving from equator to 23.5 S). This gives us 4 almost perfect equal time periods and thus 4 seasons.
Answer:
In reality drinking 2 beers does not have much of an impact on reaction time, but researchers conclude from this experiment that drinking 2 beers significantly slows reaction time.
Explanation:
Hypothesis testing is used to test statistical significance of a mathematical proposition. Null Hypothesis is a neutral, no significance stating hypothesis. Alternate Hypothesis is a specific, significance stating hypothesis.
Null Hypothesis : Drinking 2 beers don't impact reaction time
Alternate Hypothesis : Drinking 2 beers impact (slows) reaction time
Type 1 Error is the rejection of an actually true null hypothesis. So, it implies that - In reality drinking 2 beers does not have much of an impact on reaction time, but researchers conclude from experiment that drinking 2 beers significantly slows reaction time.
