the sample tube has a concentration of 75 ng/ml after running the experiment it was found that the students sample matched with tube 2 what is the concentration of the students sample. NO LINKS

Some friends want to a teen who is dealing with distress. what should they do to provide support? tell the teen to ignore the stress. offer the teen a new perspective. reinforce all the teen’s ideas. laugh off the teen’s problems.

Which factor is capable of influencing your sense of self? options: a) social environment b) intelligence c) profession d) social standing

Jessica is a friend dislodge a piece of meat from her throat. she delivers five blows on her friend’s back with her fist and then gives him five abdominal thrusts. is jessica doing the procedure correctly? 1 no, she should use the heel of her hand for the blows. 2 no, she should use the side of her hand for the blows. 3 no, she should use her elbows to deliver the blows. 4 no, she should use a tennis ball to deliver the blows.