True or false? 1) chemical bonds must break and new bonds must for for atoms to rearrange. 2) substanceshave a fixed arrangements of atoms 3) during a chemical reaction, bonds between atoms break and form new bonds. if false what would the underlined word have to be to be true

Esign techniques and materials that reduce the negative environmental impact of a structure are referred to as

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?