PLZ help and fast Compare your responses when you were warned and when you were not warned.

Decide if any of your reactions were reflex responses, and explain your answer.

Infer why organisms have reflex responses to some stimuli.

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

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