How far back can carbon dating date? C (the period of time after which half of a given sample will have decayed) is about 5,730 years, the oldest dates that can be reliably measured by this process date to approximately 50,000 years ago, although special preparation methods occasionally make accurate analysis of older samples possible. […]
What are the two types of graded potentials?
What are the two types of graded potentials? Graded potentials can be of two sorts, either they are depolarizing or hyperpolarizing (Figure 1). Are EPSPs graded potentials? Graded potentials that make the membrane potential less negative or more positive, thus making the postsynaptic cell more likely to have an action potential, are called excitatory postsynaptic […]
Why do we need controls?
Why do we need controls? Controls allow the experimenter to minimize the effects of factors other than the one being tested. It’s how we know an experiment is testing the thing it claims to be testing. This goes beyond science — controls are necessary for any sort of experimental testing, no matter the subject area. […]
How do you know charges of elements?
What are the 4 factors that affect the rate of diffusion?
What are the 4 factors that affect the rate of diffusion? Several factors affect the rate of diffusion of a solute including the mass of the solute, the temperature of the environment, the solvent density, and the distance traveled. What makes a reaction reversible? Reversible Reactions After products are formed, the bonds between these products […]
Why is the strong force so strong?
Why is the strong force so strong? The strong force holds together quarks, the fundamental particles that make up the protons and neutrons of the atomic nucleus, and further holds together protons and neutrons to form atomic nuclei. As such it is responsible for the underlying stability of matter. What is most powerful force in […]
What is Sir effect?
What is Sir effect? SIR effect finds immense use in explaining Stability of carbocation, acidity and basicity of organic compounds: For example(1): Ortho substituted Benzoic acid is more acidic then meta or para substituted benzoic acid irrespective of nature of group (electron donating group or electron withdrawing group) Is ortho effect and Sir effect same? […]
Is veal a good substitute for lamb?
Is veal a good substitute for lamb? Lamb, goat, ox. In some countries, it’s common to substitute veal with lamb meat. However, lamb, goat, and ox are usually considered second-class veal replacements. These cuts are generally less tender than veal and have a strong flavor that may overwhelm the outcome of your dish. Is Lamb […]
What is another name for communication medium?
What is another name for communication medium? The plural form is media, and the term is also known as a channel. The medium used to send a message may range from an individual’s voice, writing, clothing, and body language to forms of mass communication such as newspapers, television, and the internet. What are the most […]
What are the 3 types of regions in geography?
What are the 3 types of regions in geography? Geographers have identified three types of regions: formal, functional, and vernacular. What is place in the 5 themes of geography? Place describes the human and physical characteristics of a location. Physical characteristics: Includes a description of such things as mountains, rivers, beaches, topography, climate, and animal […]