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nadya68 [22]
3 years ago
8

WILL GIVE BRAINLIEST!!!!!!!

Biology
2 answers:
s344n2d4d5 [400]3 years ago
4 0

Answer:

The first option

Explanation:

The first option because in the water cycle, water does not change chemically but, it changes its physical form throughout the cycle. In other chemical cycles  ,the element (such as carbon) changes chemically throughout its cycle making it the main difference between the water cycle and other chemical cycles.

Elena-2011 [213]3 years ago
4 0

Answer:

The answer is A.

Explanation:

Other cycles change their structural form often, but water does not change it's structural form in the water cycle, which is H2O so that is one main difference between the water cycle and oither checmical cycles. So, your answer is A.

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Human blood types are characterized by the presence absence of surface markers known as a tigers on the surface of red blood cel
zalisa [80]

Answer:

characterized by presence or absence of antigens

the blood types are A, B, O, AB

Explanation:

There are two antigens and two antibodies that are mostly responsible for the ABO types.  The specific combination of these four components determines an individual's type in most cases. Erythrocytes and serum were related to the presence of antigens on these erythrocytes and antibodies in the serum. these antigens  are A and B, and depending upon which antigen the erythrocytes express, blood either belonged to blood group A or blood group B. A third blood group contained erythrocytes that reacted as if they lacked the properties of A and B, and this group was later called "O" blood group. The fourth blood group AB, was added to the ABO blood group system. These erythrocytes expressed both A and B antigens.

Blood group   Antigen present on RBC    Antibodies in serum    Genotype(s)

      A                        antigen A                             anti-B                     AA or AO

      B                        antigen B                             anti-A                     BB or BO

      AB              both A and B antigen                 none                         AB

      O                           none                           anti-A and anti-B           OO

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Which of the following could help slow down the use of fossil fuels?
My name is Ann [436]

Answer:

B

Explanation:

processvof elimination

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Some types of bacteria can cause diseases in humans, such as cholera, diptheria, dysentery, bubonic plague, pneumonia, tuberculosis (TB), typhoid, and many more. If the human body is exposed to bacteria that the body does not recognize as helpful, the immune system will attack them.

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