The next high tide will occur approximately 12 hours after the first one. So your answer choices would be B or C. I feel like the better answer choice is C. If this is wrong, feel free to delete this answer.
1)magnification goes by 10x (read 10 times), 100x,1000x and some goes 10,000x
2)Always focus first using lowest power possible first, switch to medium power (100x) after it's focused on low power(10x), on 100x, use the small knob to focus it more. DO NOT touch the bigger nob when in medium or high power. Switch to high power (100x) when it is focused on medium power, again focus again using the small knob on high power.
3) So it doesn't gather dust and fog up the lense? that one should be self explanatory
Related to deficiencies in certain types of cones
East or west because of the being of north and south which the latitude is on the equator
