When your best girl friends leave and you wanna talk about your day and how cute this one boy is and when you say something like what do you mean you have no one to talk to I am ur friend let’s talk and you try and say everything but your a guy so no

What component of earth’s atmosphere exists entirely as a result of photosynthesis?

How is the ideal mechanical advantage of a wheel and axle calculated?

20) what is a magnetic field? 21) in which direction do magnetic field lines always point? 22) sketch a diagram showing how a plotting compass points around a 23) name two magnetic poles that will: a) attract each other b) repel each other. 24) explain why you can use a compass to navigate. 25) what's an electromagnet? 26) list two ways to increase the strength of an electromagnet. 27) the wire in a simple motor feels a force when a current flows through it. why is this? i need answers to check mine