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Diano4ka-milaya [45]
2 years ago
7

Which of the following irrigation methods is most likely to result in salinization of the soil, especially if the agricultural f

ields are located in a warm climate with consistent sunlight
A Spray irrigation
Furrow irrigation
Flood irrigation
Drip Irrigation
Biology
1 answer:
Stella [2.4K]2 years ago
6 0

Answer: Furrow Irrigation (B)

Explanation:

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An E OSY T M has both biotic and abotic<br><br><br><br><br> Science
Lorico [155]

Answer:

yes. a ecosystem consist of both biotic and abiotic factor

5 0
3 years ago
Which of the following statements about extinction is true? Choose one: A. Recent species are disappearing so slowly that resear
JulsSmile [24]

Answer:

C. At least five mass-extinction events have occurred during the last 500 million years.

Explanation:

  • The history of mass extinct is related to the five mass extinctions that are caused over by the 350 million years n which many species have disappeared in there short geologic time.
  • A massive extinction is caused in the Permian Triassic extinction event i.e about 250 mn years ago which on an estimate has killed 90% of the species.
  • The Cretaceous–Paleogene extinction event that occurred over 66 million years ago is known to have wiped out the dinosaurs and many other species.  
4 0
3 years ago
The _____ sends out an electrical impulse that regulates the heartbeat.
olga nikolaevna [1]

Answer: The SA node

Answer choices are:

<span>A.      </span>The AV node

<span>B.      </span>The SA node

<span>C.      </span>The purkinje fibers

<span>D.     </span>The AV bundle

The SA node<span> is the heart's natural pacemaker consisting of a cluster of cells located in the upper part of the wall of the right atrium. (the right upper chamber of the heart). The electrical impulses are produced and sent out from there to regulate heartbeat. This is also called the sinus code.  </span>

3 0
3 years ago
Read 2 more answers
Suppose the interior of the thylakoids of isolated chloroplasts were made acidic and then transferred in the dark to a pH 8 solu
Lilit [14]

Answer: (A) The isolated chloroplasts will make ATP

Explanation:

The Thylakoid will receive hydrogen from the acid which is pumped across the thylakoid membrane, and the electrochemical proton synthesis of ATP begins in the stroma. Once the chloroplast has been transferred to the dark, high-energy electrons are loaded together with (H+) onto NADP+, converting it to NADPH.

6 0
3 years ago
Which of these is a process during which the hydrosphere interacts with the geosphere?
timofeeve [1]
<span>The correct answer is "Absorption of rainfall by soil." The hyrdosphere refers to all water on the earth's surface. The geosphere, in this context, refers to the solid parts of the earth (rocks, sand, etc.) Since rain is part of the hydrosphere and soil is part of the geosphere, rain soaking into the soil would be an interaction between the two. The other choices deal with changes in the hyrdrosphere, but there is no interaction with the geosphere.</span>
7 0
3 years ago
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