Answer:
a non testable question can be, what is better, chips or ice cream?
Explanation:
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HELP I DONT KNOW IF THIS IS RIGHT
What can a.person do to limit exposure to X-rays?
A: wear sunblock
B: avoid cigarette smoke
C: wear a protective vest
D: avoid chemicals
Answer:
c
Explanation:
Many lipids are formed by the attachment of three: a. Fatty acids to glycerol c. Cholesterol b. Hydroxyl groups to glycerol d. Fatty acids to a carboxyl group
Answer: a: Fatty acids to glycerol sorry dont have much to say but that is the answer
Explanation: :)
Many lipids are formed by the attachment of three fatty acids to glycerol.
LIPIDS:
Lipids are one of the four biomolecules in nature. Lipids can be of different types namely: triglycerides, sterols, phospholipids fats etc. Triglycerides, as a class of lipid, is structurally made up of three fatty acids and a glycerol molecule. These molecules are joined together in a condensation reaction. Therefore, it can be said that most of lipids are formed by the attachment of three fatty acids to glycerol.Learn more at: https://brainly.com/question/17365806?referrer=searchResults
A researcher is studying the number and arrangement of fimbriae covering the surface of a bacterial cell. Which type of microscopy would be most useful for this purpose?
Answer:
The electron microscope
Explanation:
Fimbriae are very tiny appendages of about 3 to 10 nm in diameter found on the surface of most Gram-negative and some Gram-positive bacterial cells. They are mostly utilized as a structure to adhere to one another, to other organisms, or any other surfaces.
Fimbriae generally contain adhesins, a virulence factor that facilitates adhesion to surfaces and due to their tiny size, they can only be viewed using the electron microscope - the scanning electron microscope to be precise.
What are atoms?
A. Tiny particles that make up all matter
B. Tiny particles that can only be seen with a microscope
C. Tiny particles that look like gnats
D. Particles that are so large they can not be seen
Answer:
the smallest particle of a chemical element that can exist.
What would you most likely find in the nucleus of a cell? *
Answer:
eukaryotic cells
define prediction and how it is used form a hypothesis
Answer: upon previous measurements, observations, and experiments, that attempts to explain a natural system or part of a system. Following the scientific method, a scientist sets up an experiment to test the hypothesis.
Explanation:
The _______ two objects are to each other, the stronger the force of gravity is between them.
Answer:
closer
Explanation:
The closer two objects are to each other, the stronger the force of gravity is between them.
Which is another word for 10 meters in the metric system? centimeter decimeter decameter hectometer
Answer:
decimeter
Explanation:deci means ten
Another word for 10 meters in the metric system is the decameter. Thus, the correct option for this question is C.
What is the metric system?The metric system may be defined as a system of measurement that significantly utilizes the meter, liter, and gram as base units of length (distance), capacity (volume), and weight (mass) respectively. In order to measure any small or large quantities, we use units derived from the metric system.
In the metric system, 10 meters is equal to 1000 centimeters. While 10 meters is equal to 100 decimeters. 10 meters is equal to 0.1 hectometers. While 10 meters is equal to 1 decameter. This unit we get from conversion factor.
Therefore, another word for 10 meters in the metric system is the decameter. Thus, the correct option for this question is C.
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chemicals that lower the energy need to start a chemical reaction are called
Answer:
catalysts
Explanation:
Answer:
enzymes
Explanation:
lower the level of energy that needs to be invested in a chemical reaction. A chemical reaction's activation energy is the “threshold” level of energy needed to break the bonds in the reactants.
How does the conglomerate differ from the shale, in terms of particle size. NEED HELP ON THIS PLZ
Answer:
I hope this would be the right answer....3x2 -8y? if x = 2 and y = -3
Answer:
Your correct answer is -12.
Explanation:
Evaluate for x = 2,y = 3
3(22) − (8)(3)
3(22) − (8)(3)
= −12
During
cells become specialized to perform certain functions.
Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.
HOPE IT HELPS
Answer: differentiation
Explanation:
Why are carbon compounds do important to life?
Ans: A compound found mainly in living things is known as an organic compound. Organic compounds make up the cells and other structures of organisms and carry out life processes. Carbon is the main element in organic compounds, so carbon is essential to life on Earth. Without carbon, life as we know it could not exist.
When is observation a better tool for proving a hypothesis than experimentation
Answer: when it envolves the world
Explanation: if it has anything to do with the world observations are better than experimenting and much safer.
What is Earths biosphere described as?
Answer:
Since scientists have not found organisms beyond planet Earth, the biosphere is defined as the parts of Earth where life exists. The biosphere is made of three parts, called the lithosphere, atmosphere and hydrosphere.
Explanation:
i hope this helped
Adaptive features of Giant land snail
Answer:
Body Adaptations ; The eyes of water-dwelling and land snails have adapted to perch on two eye stalks that can retract and extend from the snails' bodies. These eye stalks slip inside-out when retracting, protecting the snails' eyesight from predators, turf wars and the elements.
Shell Adaptations ; Snails' shells protect them from predators .
Breathing Apparatus ; Freshwater and marine snails have evolved gills, while terrestrial snails sport fully formed lungs.
Secretions ; The slime that snails secrete (the mucus )is an adaptation that helps terrestrial snails survive out of water.
Breathing Apparatus ; Terrestrial snails sport fully formed lungs.
Explanation:
In your own words, define the term science.
Answer:
science is the application of knowledge in the study of social and natural environment
The term science states that it is a process and application and knowledge to an understanding of the natural and social world, which is a systematic methodology dealing with the evidence.
What is the term science?Science majorly deals with the evidence, which is supported by the theory and provides knowledge of any particular subject, supports the evidence.
Science is defined as the observation, knowledge, investigation, and experimental and theoretical approach to any which explain any natural phenomena. It can be a way of learning the natural world through observation and logical reasoning.
Therefore, science depends on observation of any natural phenomena which is supported by the evidence and fulfills both the experimental and theoretical approach.
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Which phrase best defines erosion? cementing bits of rock together chemically breaking rocks apart moving bits of rock from place to place physically breaking rocks apart help pls
Answer:
chemically breaking rocks apart
Explanation:
First, lets talk about erosion:
Erosion is the process of eroding or being eroded by wind, water, or other natural agents.
Erosion can be either a fast process, or one that takes hundreds of years.
Water can fall in cracks of rock, later then freeze and expand causing to break rocks more.
Answer: Chemically breaking rocks apart.
Explanation:
Because erosion usually happens because of the flow of water. So the water has sand particles that hit the rock which breaks the rock.
Determine the median value for foot width for males and for females.
The data set is missing in the provided question,however the correct data set is provided with answer :
Answer:
Median value :
For males: 9.25
For females: 7.65
Explanation:
Median value is the value that separates higher half to lower half values and is the center point of values of the given set. The method of the finding the median is to arrange the set in order of least to highest value and then if the set of values are even than it is the mid point of the set and in the even set the mean of the middlemost values would be median of the set.
Arranging set in ascending order
For males: 4.5, 7.5, 9, 9, 9.2, 9.3, 10, 10, 10.5, 13.
For females: 5, 7, 7, 7.5, 7.5, 7.8, 7.8, 8, 8, 17
For males mean of the middlemost number is : 9.3+9.2/2 = 9.25
For females mean of the middlemost number is : 7.5+7.8/2 = 7.65
The most common mineral forming process?
Answer:
C. Crystallization of magma
Explanation:
From the given options, the most common mineral forming process is "crystallization of magma".
When there is an eruption and the magma rises to the earth's surface, it forms a lava. Then the lava begins to cool and crystallize to form igneous mineral rocks. During the crystallization process, it forms crystals.
This process is a common mineral forming process.
A dairy farmer wanted to increase the amount of milk produced by his cows. He decides to test the effect of a particular feed additive. He gives half of his herd the additive. He maintains the amount of grazing time, the amount of water the cows drink per day, and even how often the cow gets chased by the local dog the same for all the cows. Each day the farmer milks the cows at the same time and compares the volume of milk.
Answer:
This question is incomplete; based on the understanding of the question, it aims at identifying the variables in the experiment conducted by the dairy farmer. The following variables will be provided in the answer: Independent, dependent, Control variable, Control group, Experimental group. The answers are:
Independent variable: FEED ADDITIVE
Dependent variable: AMOUNT (VOLUME) OF MILK PRODUCED
Constants: same amount of grazing time, the same amount of water the cows drink per day and the same frequency of how dogs chases the cows.
Control group: Herds that were not given the additive.
Experimental group: Herds that were given the additive
Explanation:
The independent variable in an experiment refers to the variable which is manipulated or changed in order to bring about a responding effect. The FEED ADDITIVE is the independent variable in this experiment.
The dependent variable is the variable that responds to the changes made to the independent variable. In this case, it is the AMOUNT/VOLUME OF MILK produced by the cows that responds to the effect of the feed additive, hence, it is the dependent variable.
In an experiment, a controlled variable or CONSTANT is the variable that is kept constant or unchanged throughout the experiment. In this case, the constants are the same amount of grazing time, the same amount of water the cows drink per day and the same frequency of how dogs chases the cows.
A CONTROL GROUP is the group that does not receive any experimental treatment in the experiment. It is used to compare the effect of the independent variable on the dependent variable. In this experiment, the control group are the HERDS that did not receive the feed additives.
The experimental group, on the contrary, are the groups that were subjected to experimental treatment. In this case, the experimental group are the HERDS that were given the feed additives.
A stapler is used to staple 100 papers; it jams 5 times during the trial. A different brand of stapler performs the same test; it jams 22 times.
1 OR 2 type of stapler 1. independent variable
1 OR 2 number of jams 2. dependent variable
Answer:
This question is asking to identify the independent and dependent variables in the experiment.
Independent variable: Type/brand of stapler
Dependent variable: Number of jams
Explanation:
The independent variable in an experiment is the variable that is subject to control or manipulation by the experimenter. It is manipulated in order to effect a change in the dependent variable, which is dependent on it. In this experiment, the INDEPENDENT variable is the BRAND/TYPE OF STAPLER USED because it is what is changed or manipulated to produce an outcome.
On the other hand, a dependent variable is that which the experimenter measures. It is the variable that responds to the changes made to the independent variable. In this experiment, the NUMBER OF JAMS is the variable responding to the type of stapler used (independent), hence, it is the DEPENDENT variable.
Can traits of organisms be improved? Why? Explain.
Answer:
A single organism can not see an immediate improvement in their traits. Traits of a population can, however, be improved by means of microevolution. By this, I mean natural selection. Organisms with traits that are better suited towards an environment have a greater probability of surviving, meaning that there will be a larger output of offspring with these same traits. This causes gradual change and evolution over time, as more and more offspring receive traits that allow them to survive in their environment.
I hope this is able to help you. If you have any other questions, feel free to leave a comment. I am happy to help ^_^
HC=0
H-Ć-OH
но-с-н
H-C-OH
H-C-OH
H2C
ОН
formula of glucose
The diagram represents the
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A)
empirical
B)
ionic
e
identifying
D)
structural
a physicist wants to measure the force required to push a heavy box up a ramp. what tools might the physicist use? what measurements should the physicist take?
Answer:
Flat surface and force applying body.
Explanation:
Flat surface and force applying body are the tools used by the physicist in order to know the amount of force required to push the body. Mass of the body and the acceleration produced from the application of force are the measurements recorded by the physicist. By multiplying value of mass and acceleration we can measure the amount force required to push the heavy box.
Which of the following groups of organisms are prokaryotic
Answer:
"Prokaryotes are single-celled organisms of the domains Bacteria and Archaea. All prokaryotes have plasma membranes, cytoplasm, ribosomes, a cell wall, DNA, and lack membrane-bound organelles. Many also have polysaccharide capsules. Prokaryotic cells range in diameter from 0.1–5.0 µm."
Explanation:
Answer:
bacteria and archea are both types of prokaryotic but fungi has more than one cell so it is eukaryotic, fish and dinosaurs are and were are animals in the animal kindom classification.
Explanation:
completeaza un tabel cu nume de plante de cultura ale caror seminte contin leucoplaste cu amidon, cu grasimi, si cu proteine
Answer:
pulses and legumes seeds.
Explanation:
Pulses and legumes seeds such as chickpea and mung bean are those seeds which contains starch, fat, protein and leucoplasts. Leucoplasts are present in pulses seeds which is responsible for the storage of starch, lipids, and proteins in the seed. So with the presence of leucoplasts in the seeds, starch, fat and protein stored inside the pulses and legumes.
A scientist usually runs a(n) |
to see the effects
the independent variable has on the dependent variable.
Answer: Experiment.
Explanation:
Suppose that we have two related variables, A (independent) and B (dependent)
We could design an experiment where we can manipulate the value of A at will, and we also can observe how the variable B changes.
This is called an experiment, where the objective is to see how the variable B is related to the variable A, and then try to make a model that explains this relationship.