Answer:
c
Step-by-step explanation:
on e2021
An observational study is when going observe to understand such object but an Experimental study includes the practice of experiments to understand and know more about such subjects in other words it includes practicals
Hope this helps ✌❤✌❤
-694
No need to explain
3102x
24
substitute the given values for a and z into the expression
- 3az
= - 3(- 2)(4) = 6 × 4 = 24
