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harina [27]
3 years ago
15

Liquid water is heated until it boils and becomes water gas. Which statement is true about the water?

Biology
1 answer:
Svetach [21]3 years ago
8 0
That then right after heat it evaporates and then the water that is still in the bowl lowers because of the heat that sends out water molecules that just disappear. :)
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Can someone give me 4 examples of physical weathering
valkas [14]
Yes, sure!

1) Moving Water - Water, when running for a long period of time, can actually start to weather rocks.

2) <span>Ice wedging - Yep, this can cause rocks to weather as well. Water, when being constantly frozen and unfrozen weathers the rock due to the fact that water is able to expand.
</span>
3) Plant Roots - Ah, these little nutrient grabbers can certainly weather rocks over periods of time.

4) Winds - Winds can certainly physically weather the rocks, and it's probably the most common way they do.


<span>P.S. If this answer helped you, please, make sure to say "Thanks" just below my answer. It will help me a lot</span>
4 0
3 years ago
In corn, red kernel color (R) is dominant to yellow (r) and smooth kernel texture (W) is dominant to wrinkled (w).
Wewaii [24]

Answer:

a. df =  3, chi-square = 1.7333, p value = 7.815

b. we fail to reject null hypothesis

c. it is independent of kernel texture

Explanation:

h0; there is independence

h1; no independence

9:3:3:1 this is the phenotypic ratio

9+3+3+1 = 16

330 red smooth  + 97 red wrinkled  + 101 yellow smooth  + 32 yellow wrinkled

total observed = 560

1. the degree of freedom = n-1

n =4, 4-1 = 3

to get the chi square computation

(O-E)²/E

expected value for red smooth,

9/16 x 560 = 315

chisquare = (330-315)²/315 = 0.7143

expected for red wrinkled

3/16*560 = 105

chisquare = (97-105)²/105 = 0.6095

expected for yellow smooth

3/16*560 = 105

chisquare = (101-105)²/105 = 0.1524

expected for yelow wrinkled

1/16 * 560 = 35

chisquare = (32-35)²/35 = 0.2571

total chisquare = 0.7143+0.6095+0.1524+0.2571

= 1.7333

with probability = 0.05, df = 3, the value of the chi square from x² table = 7.815

1.7333 < 7.815

so  we fail to reject the null

c. we conclude that kernel color is independent of kernel texture

7 0
2 years ago
Please help !!!
MArishka [77]

Answer: Bull's genotype: RW

Cow's genotype: WW

50% are roan color

50% are white color

Explanation:

A cross between a heterozygous roan bull (RW) and a homozygous white cow (WW), will yield 50% roan and 50% white offsprings.

See the attached punnet square for illustration

3 0
3 years ago
Which steps below will ensure laboratory safety
kipiarov [429]

Answer:

plugging in the electrical cord with dry hands

checking the glass slides and cover slips for chips prior to making a wet mount

carrying the microscope with both hands

5 0
3 years ago
Read 2 more answers
A mismatch of blood types during a transfusion is dangerous because ________. preformed antibodies in the recipient's blood will
MrMuchimi

The answer is  Preformed antibodies in the recipient's blood will bind and clump the donated cells.

Every person’s blood type is determined by the antigen on their blood cells. If a person is of blood group A, then they have antigen A in their blood cells. Additionally, the same person will have antibodies to the alternative antigen, i.e in our case the person with blood group A will have antibodies for antigen B. Therefore if a patient with blood group A is transfused with blood group B blood, then the antibodies in the patient will bind to the transfused blood cells and cause agglutination.


3 0
2 years ago
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