What are the 4 types of tissue in a plant? Each plant tissue type is comprised of specialize cell types which carry out vastly different functions: Vascular tissue cells: Tracheids. Vessel elements. Sieve tube cells. Dermal tissue cells: Epidermal cells. Stomata or more accurately, guard cells. Trichomes. Ground tissue cells: Parenchyma. Collenchyma. Sclerenchyma. What is […]
What are the topics in social studies?
What are the topics in social studies? Within the school program, social studies provides coordinated, systematic study drawing upon such disciplines as anthropology, archaeology, economics, geography, history, law, philosophy, political science, psychology, religion, and sociology, as well as appropriate content from the humanities, mathematics, and … What is the importance of branches of social science? […]
How did glasses change the world?
How did glasses change the world? Economic Impact. The invention of eyeglasses has increased productivity over the ages. In the past, active, productive members of society had to stop working, writing, reading and using their hands for skillful tasks at a relatively young age. With eyeglasses, these members were able to continue their work. Which […]
What is the difference between a necessary and sufficient condition?
What is the difference between a necessary and sufficient condition? A necessary condition is a condition that must be present for an event to occur. A sufficient condition is a condition or set of conditions that will produce the event. A necessary condition must be there, but it alone does not provide sufficient cause for […]
Do pirates still exist 2020?
Do pirates still exist 2020? Only a few short years ago the international community was celebrating the end of maritime piracy. But as the Guayaquil attack hints, pirates may be getting more active. Already, the first three months of 2020 have seen a 24% increase in pirate attacks and attempted attacks, over the same period […]
Why the best revenge is no revenge?
Is a theory true?
Is a theory true? A theory is a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and facts. A theory not only explains known facts; it also allows scientists to make predictions of what they should observe if a theory is true. Scientific theories are testable. Why is it […]
How do you write an evaluative response?
Why are there no more shakers?
Why are there no more shakers? But in 1961, Sabbathday Lake, the only Shaker colony remaining, stopped accepting new members, Carol Oppenheim reported in the Chicago Tribune. The challenging commitments of celibate, communal life have since caused the number of Shakers to dwindle from several thousand to just two. What are shakers in music? The […]
What was the ideology of Stalin?
What was the ideology of Stalin? Stalin considered the political and economic system under his rule to be Marxism–Leninism, which he considered the only legitimate successor of Marxism and Leninism. The historiography of Stalin is diverse, with many different aspects of continuity and discontinuity between the regimes Stalin and Lenin proposed. What countries made up […]