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

Author Question: Why do the leaves of plants deficient in nitrogen turn yellow? A) It signals farmers to provide ... (Read 27 times)

tuffie

  • Hero Member
  • *****
  • Posts: 534
on: Aug 27, 2018
Why do the leaves of plants deficient in nitrogen turn yellow?
 
  A) It signals farmers to provide additional fertilizer.
  B) Plants deficient in nitrogen have a hard time producing chlorophyll.
  C) Without nitrogen, the fluids in the plant turn acidic.
  D) The nitrogen protects the plant from the sun's harmful ultraviolet rays.

Question 2

Thin-film photovoltaic cells are ________.
 
  A) composed of crystalline silicon
  B) easy to mass produce
  C) sensitive to only narrow regions of the visible spectrum
  D) very expensive to produce
  E) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fwbard

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


tuffie

  • Member
  • Posts: 534
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

xthemafja

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Animals and plants of the intertidal zone adhering to their rocky surface. Animals and plants of the intertidal zone adhering to their rocky surface.
Plants Plants
Plants Plants
Plants Plants
Rapid, long-distance signaling in plants Rapid, long-distance signaling in plants
Test-cross analysis of F1 plants Test-cross analysis of F1 plants
Video: Major Elements in Biological Molecules: Lipids

For a complete list of videos, visit our video library