The outer skin makes the surfboard more expensive. Suggest two reasons why an outer skin is added to the polystyerene core. (2 marks)

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction

Detrimental the length of the object shown 1. 97.8mm 2. 97.80 mm 3. 97mm 4. 98mm