This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Perfumes are A) pure substances. B) compounds. C) simple mixtures of compounds. D) complex ... (Read 99 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
on: Aug 27, 2018
Perfumes are
 
  A) pure substances.
  B) compounds.
  C) simple mixtures of compounds.
  D) complex mixtures of compounds.

Question 2

Plants incorporate carbon as long they live. Once a plant dies, it takes how many years for 75 of the carbon-14 to decay (half-life of C-14 is 5730 years)?
 
  A) 573 yrs
  B) 2865 yrs
  C) 5730 yrs
  D) 11460 yrs


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dpost18

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


captainjonesify

  • Hero Member
  • *****
  • Posts: 543
Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


dpost18

  • Sr. Member
  • ****
  • Posts: 345
Reply #3 on: Aug 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Early in the twentieth century, when malnutrition was common, companies such as this one advertised Early in the twentieth century, when malnutrition was common, companies such as this one advertised
Simple and Complex Carbohydrates Simple and Complex Carbohydrates
Complex Linguistic Patterns Complex Linguistic Patterns
Common substances for scrubs and/or body polishes. Common substances for scrubs and/or body polishes.
Structure of the l cI repressor-DNA complex showing the recognition helices (in red) Structure of the l cI repressor-DNA complex showing the recognition helices (in red)
Simple Mathematical Rules Useful in Working Genetics Problems Simple Mathematical Rules Useful in Working Genetics Problems
Video: Glycolysis - Introduction to ATP and the burning of sugar

For a complete list of videos, visit our video library