1 poin A busy city is similar to a cell. Both a city and a cell are made up of many
important parts that work together as a whole. What could you find in a city
that has a similar function to the mitochondria in a cell? *

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

Identify and describe the three ways that mutations affect organisms.

Which diagram represents the phase tha occurs after a solid melts?