When does spring tide occur
a. they occur when the sun 45° angles from each other this happens once every spring
b. they occur on the date of the vernal equinox each year no matter what stage this is why they are called spring tides
c. 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 .
d. they occur when the sun moon and earth are aligned in spite of their name these tides occur all your long ? ( asap )

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

What’s the theoretical yield of solid lead