a piece of unglazed porcelain used to test a minerals streak
Solution 1
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Answer:
The correct answers will be- when the scientists do not not get the expected results in the form of the exact numbers.
Explanation:
Estimation is the process of approximation based on the uncertain or unexpected, unstable and incomplete data.
The process of estimation is sometimes followed by the scientists like when predicting the exact age of the Earth or the evolutionary facts of species which is impossible to predict and the data does not provide the exact numbers.
Thus, scientist relies on estimated when they do not get the expected results in the form of exact numbers.
Critical thinking: takes a problem and tries to find a solution
Inference: interprets information by reading between the lines
Both: based off of info given to you, open ended based on your perception
Critical thinking: takes a problem and tries to find a solution
Inference: interprets information by reading between the lines
Both: based off of info given to you, open ended based on your perception
Explanation:
Critical thinking is examination what you already apprehend to somebody else. Reasoning is what you're thinking that you recognize thats right.Critical thinking is that the intellectually disciplined method of actively and assuredly conceptualizing, applying, analyzing, synthesizing, and/or evaluating data gathered from, or generated by, observation, experience, reflection, reasoning, or communication, reasoning is a conclusion reached on the idea of proof and reasoning.
Plant:
Grasses are the dominant vegetation. Trees and large shrubs are largely absent. Seasonal drought, occasional fires and grazing by large mammals all prevent woody shrubs and trees from becoming established. A few trees such as cottonwoods, oaks and willows grow in river valleys, and a few hundred species of flowers grow among the grasses. The various species of grasses include purple needlegrass, blue grama, buffalo grass, and galleta. Flowers include asters, blazing stars, coneflowers, goldenrods, sunflowers, clovers, psoraleas, and wild indigos.
Animal:
Temperate grasslands have a low diversity of wildlife, but a high abundance of wildlife. In North America the dominant grazing animals are bisons and pronghorn. Rodents include pocket gophers and prairie dogs. Carnivores include wolves, coyotes,swift floggers, badgers and black-footed farrets. Birds include grouses, meadowlarks, quails, sparrows, hawks and owls.
1) a conservation of mass within the boundaries of the system
2) the ability to freely exchange energy to & from the "closed" system with a surrounding external system
So, the answer is never, since your defining the "system" as the water within the bathtub, and an open bathtub is exposed to evaporation, which is not conserving mass within the defined "system".
Answer:
The answer is a few seconds
Explanation:
Both the number of protons and the number of electrons of an atom determine
its atomic number, as in an atom ( but not in an ion ).
change?
There is an exchange of electrons in a conventional reaction. If the nuclei of atoms
are involved, I'm not quite sure, but those chemical reactions of nuclear particles
are studied in nuclear chemistry.
Usually, a model is a depiction of a certain entity, never the real thing. In times
past, many, many models look great on paper but are way off!
p = e .
thats it
According to the structure of atom, carbon atom with 6 protons also has six electrons .
What is an atom?
An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.
The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.
Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.
Learn more about atom,here:
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