Author Question: Weeds are types of A) pathogens that spread disease to humans or between plants. B) animals or ... (Read 94 times)

fox

  • Hero Member
  • *****
  • Posts: 540
Weeds are types of
 
  A) pathogens that spread disease to humans or between plants.
  B) animals or plants that can cause disease.
  C) plants that can rapidly spread through lightly airborne seeds.
  D) pests that may threaten our health or compete with our food.

Question 2

The Millennium Ecosystem Assessment primarily characterized human impact on
 
  A) atmospheric carbon dioxide levels.
  B) degradation of the ozone layer.
  C) ecosystem services.
  D) plate tectonics.



DHRUVSHAH

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

For a complete list of videos, visit our video library