Answer:
Run off from rain water that transfers it to the nearest water body.
Answer:
The 2.8 million-year-old specimen is 400,000 years older than researchers thought that our kind first emerged.
Explanation:
A mixed-factorial design describes a study with:
an experimental variable and a subject variable.
more than 2 independent variables.
a between-subjects variable and a within-subjects variable.
a manipulated variable and a within-subjects variable.
a between-subjects variable and a within-subjects variable.
