PLS HURRY!!
How are spring and neap tides different from regular tides? Check all that apply.

They occur twice a day.
They are caused by wind.
They occur twice a month.
They are extra-high tides and extra-low tides.
They are caused when the Sun and the moon align and exert additional gravitational pull.

1.They occur twice a month.

2.They are extra-high tides and extra-low tides.

3.They are caused when the Sun and the moon align and exert additional gravitational pull.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.