Julia was looking at an onion specimen in the microscope using 5× eyepiece magnification and also use 10 times magnification for the objects. She was able to see clearly the specimen. she then went to look at the pond water and was curious as to what organisms were living there. So she took a sample and place it in the slide. she used 15 times eyepiece magnification and then shifted to HPO. But you was not able to see the organisms she wanted to see. Please help julia with her problem

1. what is the magnification of the onion that julia saw under the microscope?
a. 5×
b. 10×
c. 15×
d. 50×
{My answer is letter d ?right?}

2. what is the magnification of the pond water specimen that julia saw under the microscope?
a.15×
b.40×
c.55×
d.600×

3. what should julia do to solve with her problem?
a. she should us 10× instead of using 15× eyepiece magnification
b. she should use oil immersion objective instead of HPO
c. she should use coarse adjustment knob to enlarge the specimen
d. she should repeat taking a sample of the water pond​

Incorrect/Nonsense = Reported
Please pa help po kaylangan ko na po °^°​