“CHEM 120 Week 3 Concepts: Chemical Reactions and Calculations” has been added to your cart. Continue shopping “BIOS 242 Week 4 Lab 7 of 14 Onsite – Disinfectants and Antibiotics” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × CHEM 120 Week 3 Concepts: Chemical Reactions and Calculations $25.00 CHEM 120 Week 3 Concepts: Chemical Reactions and Calculations quantity $25.00 × BIOS 242 Week 4 Lab 7 of 14 Onsite - Disinfectants and Antibiotics $20.00 BIOS 242 Week 4 Lab 7 of 14 Onsite - Disinfectants and Antibiotics quantity $20.00 Coupon: Apply coupon Update cart Cart totals Subtotal $45.00 Total $45.00 Proceed to checkout