The answer is “we are using fossil fuels much faster than they form.” Hope this helps
Bart) IV: time in microwave
DV: mice strength
Conclusion: the time in the microwave does not affect the mices strength
Improvement: Retest
Lisa) IV: Ragooti hair cream
DV: hair growth
Hypothesis: If rogooti is used in hair then it will increase growth speed because it contains special ingredients
There will be 4 injectors in the EFI fuel system.
Answer: Option D
<u>Explanation:</u>
For each cylinder, one injector is needed so a four-cylinder engine will have 4 injectors. Usually, it will be present near the intake manifold. So the port of the Electronic Fuel Injection – EFI needs four injectors in the calculation of one per one cylinder.
Generally, in engines there will be one injector per cylinder. In that calculation when you have a four-cylinder engine should have 4 injectors. If four injectors are not able to keep up your engine to meet the machine performance, you can add additionally.
I believe the answer is c
1/3 - 1/2 = 1/6
1/6 live in rented dwellings with school age children