The days are getting shorter and the temperature is dropping. the squirrel responds to these cues by

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

What is the role of dna ligase in the elongation of the lagging strand during dna replication?

During dna replication, each strand of dna is used as a template to produce a complementary strand of dna. this process is shown below. which base will attach to location