Identify the balanced double displacement equation.
O CuCl2 + Fe
2Cu + FeCl2
PbCl4 + 2 Ca(OH)2 -2CaCl2 + Pb(OH)4
O CuCl2 + Fe
Cu + - FeCl2
O PbCl4 + 2 Ca(OH)2 -2CaCl2 + 4Pb(OH)

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.