The temperature of a sample of lead increased by 24.4 °C when 257 Jof heat was applied. What is the mass of the sample?=gSubstanceSpecific heat J/(g · °C)lead0.128silver0.235copper0.385i ron0.449aluminum0.903

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

Identify and describe the three ways that mutations affect organisms.

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.