Author Question: Weeds are types of A) pathogens that spread disease to humans or between plants. B) animals or ... (Read 87 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?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

For a complete list of videos, visit our video library