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

Author Question: Over three years, 24 people living in a new subdivision develop respiratory infections and skin ... (Read 18 times)

@Brianna17

  • Hero Member
  • *****
  • Posts: 550
on: Jul 16, 2018
Over three years, 24 people living in a new subdivision develop respiratory infections and skin rashes. People living nearby in a subdivision built 30 years previously show no signs of such disease.
 
  Suspicions arise about possible molds or vapors that are associated with imported building materials in these new homes. To investigate the possibility that the new homes are causing the disease, the neighborhood association in the new subdivision decides to hire A) a herpetologist.
  B) respiratory therapist.
  C) a virologist.
  D) a toxicologist.

Question 2

When cultivars require adaptations not currently in their genetics, plant breeders
 
  A) may treat the seeds with chemicals that cause mutations in order to try to generate new forms.
  B) often introduce traits found in wild varieties of the plant.
  C) may try to introduce genetic traits found in pests of the crops.
  D) use fertilizers to change the chemistry of the crops.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Missbam101

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 16, 2018
Answer to Question 1

D

Answer to Question 2

B


@Brianna17

  • Member
  • Posts: 550
Reply 2 on: Jul 16, 2018
Excellent

momolu

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Assessment of Skin Turgor Assessment of Skin Turgor
About 78% of middle-aged adults (aged 40–59) have at least one living parent, and for over a third ... About 78% of middle-aged adults (aged 40–59) have at least one living parent, and for over a third ...
Common skin signs are often evidence of an illness or disorder. A papule is a solid, circumscribed, ... Common skin signs are often evidence of an illness or disorder. A papule is a solid, circumscribed, ...
(a) Blue arrows (right side): External components of the innate immune system: human body with skin, ... (a) Blue arrows (right side): External components of the innate immune system: human body with skin, ...
Agriculture in 10,000 years ago Agriculture in 10,000 years ago
Zooming in on the respiratory membrane in human lungs Zooming in on the respiratory membrane in human lungs
Video: Anaphylaxis Animation

For a complete list of videos, visit our video library