The diagram below shows hydrogen bonds between water molecules.

What describes each hydrogen bond?

1. An attraction between neutral ends of two molecules.

2. An attraction between the positive end of one molecule and the negative end of another molecule.

3. An attraction between positive ends of two molecules.

4. An attraction between negative ends of two molecules.

Answer:

This question is incomplete; the complete question including the options are as follows:

During a study of lichens and air quality in part of China, scientists measure the thickness of lichens and estimate how many rocks and trees are covered with lichens in one town. The scientists are following the scientific cycle of observing while using a systematic process, establishing facts, explaining facts, and then returning to the systematic process to collect more facts.

When scientists carefully measure the lichens and agree on their average thickness and how often they appear, which parts of the scientific cycle are the scientists using?

A- process and facts, because they are using a systematic method to measure and then record data

B- process and facts, because they are observing lichens and air quality and describing why they are related

C- explanation and process, because they are using a systematic method to measure and then record data

D- explanation and process, because they are observing lichens and air quality and describing why they are related

The answer is A. process and facts, because they are using a systematic method to measure and then record data

Explanation:

Scientific experiments follow a series of well coordinated steps. These steps range from making observations to analyzing data. In this experiment, which involves scientists conducting a study of lichens and air quality in a part of China, a scientific cycle is being followed.

However, the scientists get to a point where they carefully measure the lichens and agree on their average thickness and how often they appear. This point is where the ANALYSIS OF DATA in the experiment occurs. Therefore, the part of the scientific cycle they are using is PROCESS and FACTS, because they are using a systematic method to measure and then record data.

Answer:

They can have children together. If they are married or in a relationship they can do anything they want together including the want of children.

Explanation:

Answer:

Vertical

Explanation:

Biology class :)

Answer:

B.) New compounds with lower-energy bonds must be formed when the high-energy bonds in food molecules are broken.

Explanation:

I hope it helped

Answer:

Passive Transport

Explanation:

Diffusion is a type of passive transport. Diffusion through a permeable membrane moves a substance from an area of high concentration (extracellular fluid, in this case) down its concentration gradient (into the cytoplasm).

Answer:

ruler

Explanation:

Answer:

By attracting herbivores to the other plants

Explanation:

Answer: One way to analyze the results of an experiment by looking at the chemical and physical changes. Signs of a chemical change are bubbles or production of an odor. Signs of a physical change are change in color, shape, or size.

Answer:

Its A Experiment 1

Explanation:

Answer:

polysaccharides from cells walls make up the fiber humans eat, while monosaccharides provide the sweetness in food. As humans eat, chewing breaks down polysaccharides into smaller particles that eventually, through digestion, yield up the simple monosaccharides that can pass into the bloodstream

Answer:

Saturated fats can pack more tightly and form solids at room temperature while unsaturated fats are liquid at room temperature.

The statement which is NOT true about saturated and unsaturated fats is Choice C: Saturated fats, because they lack double bonds between their carbon atoms, stay liquid at room temperature while unsaturated fats form solids.

Generally, fats are classified as either Saturated or Unsaturated fats.

As a result of the statements above;

Inference from the statements above therefore suggests that the statement which is not true is Choice C: Saturated fats, because they lack double bonds between their carbon atoms, stay liquid at room temperature while unsaturated fats form solids.

Read more;

https://brainly.com/question/19825178

Answer: Hydrogen bonds

Explanation:

Answer:

They tried to make it look credible by listing the author and contacts and stuff but do not have any official sources. They are photo edited pictures from other people.

Explanation:

i added pictures from the web site and made note of added tiny details.

The answer is C

The tube through which waste leaves the body.

Answer:

D.

Explanation:

Urea is the waste removed by the kidney.

Answer:

[tex]\boxed {\tt False}[/tex]

Explanation:

First, let's define quantitative data.

Quantitative data is

There is also another kind of data, called qualitative data.

Qualitative data is

We are asked about color and movie genre. This can't be measured or expressed as a number, so it is not quantitative data. Instead, it is qualitative data.

Answer:

6 amino acids

Explanation:

6 amino acids (asparagine, glutamine, histidine, serine, threonine and tyrosine) have both hydrogen donor and acceptor atoms in their side chains.

Answer:

gamma rays, ultraviolet waves, microwaves

Explanation:

Answer: A computer virus compares to a real virus because they both take over whatever they're destroying. It copies itself and typically has a detrimental effect. And it can be caught without even knowing it!

A computer virus can self replicate just like a real virus.

-Hope this helped<3

Answer: They're both a mass attack.

Explanation:

They both mass attack a certain thing. Like a virus contracts only humans and basically living things. Computer viruses are, well, contracted to computers.

Answer: The answer is e

Explanation:

Answer:

The Moon doesn't emit (give off) light itself, the 'moonlight' we see is actually the Sun's light reflected off the lunar surface. So, as the Moon orbits the Earth, the Sun lights up different parts of it, making it seem as if the Moon is changing shape.

Explanation:

Answer:

7 400

Explanation:

7, 351

7 is the thousands

3 is the hundreds

5 is the tens

1 is the unit

to round of to the nearest hundred look at both the hundreds value and the tens value.

since the tens value is 5 , this means the hundreds value increases by 1.

therefore 3 turns into 4

7351 to the nearest hundred is 7400

According to the Dalton's theory, carbon and oxygen are different elements because they are made up of different atoms which have different numbers of proton and neutrons.

John Dalton proposed his modern theory of atoms in 1803. He discovered atom, which is the smallest unit of particle. This theory is also known as the atomic theory of matter.

In this theory, he stated that every single atom of an element, such as sodium, is same as the other atoms of the same element. He also stated that the atoms of one element differ from the atoms of other elements. This theory is mostly found to be true. For example: A sodium atom is different from a carbon atom.

However, his theory was found to be found as the atoms present in the elements are found to be divisible into even smaller particles like protons, neutrons, and electrons.

Learn more about elements here:

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Answer:

Are the basic unit of life.

Explanation:

Well, every organism is made up of cells. Thus, they are the basic units of life.

Random Fun Fact:

BTW i thought this was worth mentioning, did you know that humans share 70% of their DNA with a slug?

Carbon Sulfur

Proteins Always Sometimes

Carbohydrates Always Never

Nucleic Acids Always Never

Lipids Always Never

Answer:

The heating up and cooling down of water. The winds also have effects

Explanation: