How do I calculate population growth rate? Population growth rate is the percentage change in the size of the population in a year. It is calculated by dividing the number of people added to a population in a year (Natural Increase + Net In-Migration) by the population size at the start of the year. How […]

What animals live in Mariana Trench? At the deepest point of the ocean thrive strange creatures you have never seen before Scientific name: Grimpoteuthis. Comb Jellies. Scientific name: Ctenophora. Benthocodon. Scientific name: Benthocodon hyalinus. Deep Sea HatchetFish. Scientific name: Argyropelecus Gigas. Scientific name: Opisthoproctidae. What have they found in the Mariana Trench? An American explorer […]

How can you tell if someone is a predator? Disconnected and disrespectful: Predators may appear disconnected from normal peers. They also may be disrespectful of social boundaries. Very charming: They may have either a particularly charming personality or obvious ‘loner’ qualities, sometimes a combination of both. What does sexually dangerous predator mean? A “sexually violent […]

Which of the following countries are parliamentary democracies? Countries with parliamentary democracies may be constitutional monarchies, where a monarch is the head of state while the head of government is almost always a member of parliament (such as Denmark, Norway, Japan, Malaysia, Sweden and the United Kingdom), or parliamentary republics, where a mostly ceremonial president […]

Why do scientists use the light year instead of astronomical units to measure the distances between stars? The main reason for using light years, however, is because the distances we deal with in space are immense. If we stick to miles or kilometers we quickly run into unwieldy numbers just measuring the distance to the […]

What is it called when a river flows out of a mountain range? A mountain river is a river that runs usually in mountains, in narrow, deep valley with steep banks, rocky stream bed, and accumulated rock debris. What happens as a river reaches flatter ground? As streams move onto flatter ground, the stream erodes […]

What are four factors that can cause coral bleaching? 4.1. 2 The causes of coral bleaching The primary cause of mass coral bleaching is increased sea temperatures9,13, 18, 23, 53.At a local scale, many stressors including disease, sedimentation, cyanide fishing, pollutants and changes in salinity may cause corals to bleach. What factors affect coral reefs? […]

What major difference between the Eastern and Western churches led to the schism? The major difference between the Eastern and Western churches led to their schism was the inclusion of Pope as the religious head of Christianity. Western churches believed in the authority of a religious leader called Pope who will issue orders. Eastern churches […]