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Nostrana [21]
3 years ago
15

A scientific evaluation study can only measure one outcome. a. True b. False

Biology
1 answer:
Tema [17]3 years ago
8 0
It is flase. can be multiply.<span />
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A new wonder diet that results in a dramatic weight loss sweeps through the United States. The key to the diet is to eat large a
Mrac [35]

Answer:

1) Decrease

2) Demand for beef

3) Left

4) demand

5) Lower

Explanation:

As millions of Americans switch to the new diet, we can expect a(n) _decrease____ in the __demand for___ beef, leading to a shift to the __left___ in the __demand___ curve for beef and _lower____ beef prices.

8 0
3 years ago
What are the 4 characteristics of a mineral?
pashok25 [27]
The four characteristics of a mineral are:

1. Cleavage- the way it breaks, whether flat or roughly.
2. Luster- the way light reflects off of it, i.e. pearly, shiny, etc.
3. Streak- the color that its powder is
4. Hardness, for example, diamond is the hardest mineral, this is usually measured on the Mohs scale.
7 0
4 years ago
I need helppp :( science ~
Savatey [412]
I believe the answer is a prokaryote.
5 0
3 years ago
98. All of the following are true of water EXCEPT A) neighboring molecules are held together by hydrogen bonds. B) it is less de
Anon25 [30]

Answer:

C) it is a polarized molecule, where the oxygen is slightly positive and the hydrogens are slightly negative.

Explanation:

The water molecule is polarized, but the oxygen atom is slightly negative and the hydrogens are slightly positive.

Electronegativity is a property that measures how much an atom will tend to attract electrons towards itself. Because electrons are negatively charged, the more electronegative an atom is, the more negative its partial charge will be.

Oxygen is much more electronegative than hydrogen, and thus it will attract the electrons in the molecule, keeping them away from the hydrogens.

3 0
3 years ago
Hiiiiiiii please help me please &gt;-&lt; 35 points!
Travka [436]

Answer:

I just answered this same question for my Biology class hope this helps :)

Explanation:

A hydrogen bond is when positive and negative hydrogen forms together; this explains why cohesion sticks molecules together . Because of cohesion, the water molecules stick together and form a surface; this property is responsible for surface tension. Adhesion is the ability for water to stick to other substances; this helps with capillary action. Hydrogen bonding also explains why water's boiling point is higher than some liquid . With this, water has a high specific heat; this is because the water takes a lot of energy to raise (or lower) the temperature. Once again, hydrogen bonding is essential to another property. This property causes water to expand and to have a low density when frozen.

6 0
3 years ago
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