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3 years ago

Dryland planting can benefit the environment by reducing the need for tillage. true or false?

Biology

2 answers:

sasho [114]3 years ago

6 0

False, It will basically be a carbon sink. Taking in more than it produces.

Semenov [28]3 years ago

3 0

Answer: False

Dry land are those regions which exhibit scarcity of water. The climatic conditions in dryland are hot and dry. This region exhibit low precipitation. The soil in this regions are compact and drought prone. These soils lacks nutrition and are least fertile. Tillage is a preagricultural practice which involves digging, stirring and overturning of soil . Tilling is done to remove the compactness of soil and increase it's fertility. Dry land also requires tillage to be done before plantation because the soil in these region is drought prone and compact.

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Which is the cell structure that is made of DNA that gives the master instructions for the cell?

luda_lava [24]

Answer:

I believe the answer is Chromosomes.

Explanation:

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3 years ago

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Blood type is inherited thriugh mutiple alleles , inculding I ^a , I^b and i . A child has type A blood. If the father has type

lukranit [14]

Answer:

The answer is below

Explanation:

The possible phenotypes of the mother can be any of the following

AA - A phenotype

AB - AB phenotype (here the mother must have contributed an A gene for it to be possible)

AO - A phenotype (here the mother may have contributed any of the A or O gene.)

BO - B phenotype (here, the mother would only need to contribute O gene for this to be possible)

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2 years ago

Where do elctrons get their energy in photosytem I

Afina-wow [57]

Answer:

When light energy is absorbed by a chlorophyll molecule its electrons gain energy and move to higher energy levels in the molecule

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3 years ago

The _____ is a membrane within the uterus that permits the exchange of nutrients and waste products between the mother and her d

Irina-Kira [14]

Placenta

It also does not allow the maternal and fetal bloodstreams to mix

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3 years ago

Juan has been diagnosed with mono, and the doctor wants to determine if his spleen is enlarged. Where (quadrant, etc.) will the

hichkok12 [17]

Answer and Explanation:

Where (quadrant, etc.) will the doctor palpate Juan's abdomen?

Under normal conditions in general the spleen can not be palped because of its reduced size. But when it is enlarged it might be easily touched. The spleen is located under the thoracic cage (rib cage) on the left side, between the 8th and 11th ribs. This would correspond to the left superior quadrant (left hemi-belly).

What other organs might be compressed by Juan's enlarged spleen?

The enlargement of the spleen and the liver inflammation are symptoms of the mono disease. This enlargement might affect some neighboring organs such as the stomach, which might be displaced and compressed.

why is Juan's spleen enlarged and not his stomach or kidney?

The spleen is part of the immunological system and helps the body to fight infections and filter old bloody cells taking them out of the blood current. This organ might get enlarged because blood cells accumulate in its interior. Red blood cells are excessively stored in the spleen, resulting in anemia. The more cells the spleen retains, the larger it becomes, and hence, the more blood cells it retains and destroys. If the spleen is unproperly working, it kills too many red blood cells and accumulates many others.

The Stomach and kidney are not part of the immunity system and they do not filter blood cells, so they do not seem to be affected by their accumulation.

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3 years ago