Lyme disease used to be geographically restricted to the northeastern united states but has since soread significantly. this makes lyme disease an example of

a) a progressive virus
b) a bacteriophage
c) an emerging disease
d) a retrovirus

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.

Does solar energy ever run out? brainliest