Answer:
For number 9 the answer would be A
For number 10 the answer would be C
Explanation:
A thesis
B.
randomization is often hard to achieve.
1.a 2.c 3. d 4. b
Trust me I am a Social Studies Teacher. Mr. Kurdi In Salina Intermedia at dearborn michigan. Please Mark me Brainliest. This is my sons account