This topic contains a solution. Click here to go to the answer

Author Question: Refer to the accompanying narrative. What variable or variables were manipulated by the scientist? ... (Read 23 times)

storky111

  • Hero Member
  • *****
  • Posts: 561
Refer to the accompanying narrative. What variable or variables were manipulated by the scientist?
 
  a. DDT only
  b. temperature only
  c. weight differences only
  d. both DDT and weight differences
  e. both temperature and weight differences

Question 2

By combining three oxygen atoms, a/an ________________ layer formed in Earth's atmosphere, which absorbs UV photons.
 
  Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akudia

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

a

Answer to Question 2

ozone



storky111

  • Hero Member
  • *****
  • Posts: 561
Both answers were spot on, thank you once again




 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

For a complete list of videos, visit our video library