Question 6 What is the correct sequence of layers of the atmosphere from innermost to outermost?
А
mesosphere-stratosphere-thermospher e-troposphere
B
troposphere-stratosphere-mesosphere -thermosphere
с
stratosphere-thermosphere-troposphe re-mesosphere
D
thermosphere-mesosphere-stratospher e-troposphere

Explain why ecosystem diversity results in species diversity in a healthy biosphere

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.