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topics make navigating answers a breeze. from algebra to zoos, we've got a topic for you.

the category includes questions about the various ways in which humans measure objects or concepts. this category is also home to conversions between units such as grams to pounds or liters to milliliters.

220,969 questions

educational institutes are the abodes of knowledge humans seek to understand life and learn to make living comfortable, entertaining and enjoyable. schools, colleges and universities help people to study the nature of the creation, universe, mind, matter, inventions and discoveries and explore new ways of betterment of anything concerned with humanity and its associated expectations in relation to the world at large. this category is for asking and answering about the educational institutes, their importance, research, faculties, prospects, and related job orientation opportunities.

209,159 questions

questions about the properties and characteristics of elements as observed in nature and in compounds. chemical formulas are also converted to and from symbols in covalent or ionic bonds. all the questions you want to ask about the elements and the compounds they form.

207,126 questions

the study of plant life is known as botany. all questions related to plant sciences such as taxonomy are welcome here.

206,845 questions

a population refers to the collection of organisms that belong to similar species and live in a single geographical area at a specified time. an example of a population is all the people residing in the united states.

203,429 questions

this topic includes questions about all the drama about teen dating and questions about how to deal with your feelings, such as falling in love with your best friend, good dating skills, and more.

198,045 questions

music comes in many styles, from rap to metal, jazz to classical. this category is for questions about the various genres.

182,102 questions

questions about words beginning with certain letters, including those used in the game scattergories. scattergories offers players twelve of 144 categories and one of twenty letters each turn, which they have to pair. so, you would have to come up with say, a college major, a boy's name, or another category that starts with the letter b (or whatever letter you roll).

180,416 questions

do you ever wonder why one river is straight and flows quickly while another meanders along curves and seems to be slow and peaceful, or how the mountains were formed? geology is the study of the earth, its materials, and the processes acting upon them. it includes the study of rocks and minerals; and their formation, weathering, and metamorphosis. so, when you need an answer to a question about rivers, mountains, volcanoes, rock cycles, plate tectonics, or other geological aspects, our geology category is the place to ask it.

180,184 questions

countries, states and cities are geographical divisions. countries are the largest units usually covering a large area. some countries are made up of smaller areas, called states, and they in turn are comprised of many cities.

175,764 questions

the us president is the head of state and the head of the federal government of the united states of america. the president's power is checked and balanced by the two other branches of the us government, which are congress and the supreme court.

174,331 questions

throughout human history, humans have been searching for meaning. many people find it in religious or spiritual worship or practice. the questions of religion have occupied humanity since our beginnings. questions here include the ancient, organized, and new & evolving religions; faith, spirituality, and alternate pathways; as well as those of people still searching. questions about the origins of religion, comparison of religion, and atheism are also found here.

163,207 questions

prescription drugs can be both helpful and harmful. ask questions here about medication management and how to stay safe while overcoming illnesses.

157,873 questions

the second world war began in 1939 and ended in 1945 and engaged most of europe and asia into combat between the allies and the axis powers.

157,500 questions

this category should include questions about greatest common factors and lowest common multiples.

157,155 questions

the laws of a society is a set of rules and principles that determine a system of society's dos and don'ts, and the institutions that legislate and enforce the laws. ask your questions about laws, legal systems, and legal issues here.

153,244 questions

questions asking for an example of a sentence with a certain word in it.

152,284 questions

the history of the thirteen british colonies that would eventually declare independence in 1776 and later become the united states.

149,223 questions

questions and answers on pokemon diamond pearl and platinum. here, you can find out how to defeat the snowpoint city gym or where to find giratina. questions about the sinnoh region pokemon can be found here as well.

146,588 questions

from democracy to communism, every country on earth has a different political organization. ask questions about political parties, leaders and history here.

145,711 questions

economics is the study of production, distribution and consumption of goods and services whether in a city, country or a single business. questions about supply and demand and economic theory are welcome here.

140,242 questions

percentages are defined as a fraction or portion of a whole. generally percentages deal with an amount out of one hundred but can be used in sales, economics, and science. if you've walked into any store you're sure to find something marked a certain percent off. fractions are not whole numbers with a numerator over a denominator. usually the numerator and denominator are expressed as integers. there are four types of fractions: simple fractions, complex fractions, mixed fractions, and improper fractions. decimals are also not integers. they are expressed often like 0.34 and are often rounded off since some go for too long. both decimals and fractions are also used to convert to percentages.

138,416 questions

this category is for questions and answers about the american civil war. this was an internal conflict involving the state rights, and divided the united states in a bloody struggle. it was fought after the secession of eleven southern states, and lasted from 1861 to 1865.

137,757 questions

a tv program refers to a broadcasted segment in television. the segment may be a part of a television series or may be a one-off broadcast only. commercials are usually played during or between the programs, and feature feature products or upcoming events.

137,036 questions

the scientific study of celestial bodies. find questions on constellations, planets and more.

134,990 questions

there were many indigenous people already living on the entire north american continent when the first european explorers arrived. they had long ago divided into several distinct groups, each with its own customs and specific way of life. questions about these native peoples and their interaction with the early explorers - and, later, with the colonists - belong in this category.

126,296 questions

war and military history encompasses the causes and effects, the courses and actions, the good and the bad, of warlike activities - from the earliest of times to present actions.

126,226 questions

can you imagine life without a mobile phone? from the large motorola startac of the 90s to apple's sleek and smart iphone, mobile phones have transformed into an absolute necessity in today's connected world. ask questions about these ubiquitous devices here.

125,969 questions

ever wanted to know the difference between a boysenberry and a blueberry? socialism and communism? windows and linux? look no further. this category answers your questions about 'the differences between...'

124,551 questions

length refers to the measurement of an object from one end to another, while distance is the space between two objects or points. the two systems used to measure length and distance are the english and metric systems.

123,906 questions