From an ethical standpoint, which best describes why new biotechnology products should be tested extensively before they are allowed to be used? (2 points) there can be unintended consequences to many new biotechnology products. many new products end up being more expensive than they appear to be. biotechnology products tend to stop working after a few years. there are usually no benefits to the products of biotechnology.

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