Five sentences related to a topic are given in the question below. Four of them can be put together to form a meaningful and coherent short paragraph. Identify the odd one out. Choose its number as your answer and key it in.But he has also accelerated the transference of phosphorus from plant and animal life to the sea, thus speeding up its cyclical migration in a two-fold manner.With the development of agriculture in historic times, however, the phosphorus cycle has been seriously upset, for systematic cropping reduces the reserves in the soil more quickly than they can be renewed from fresh sources.For some time after the earth's formation, the phosphorus cycle in the sea was simple, phosphate ions built up into the earliest forms of organic life and released again at their death.Furthermore, the emergence of life from the sea and the colonization of dry land led to a soil-plant-animal-soil cycle, from which phosphorus was removed in negligible quantities in the formation of bone beds, fossil fish or guano deposits.In the past few centuries man has attempted to restore the phosphorus balance by the use of fertilizers, derived largely from natural deposits.

The four sentences (labelled 1, 2, 3 and 4) below, when properly sequenced would yield a coherent paragraph. Decide on the proper sequencing of the order of the sentences and key in the sequence of the four numbers as your answer.1. Billions of years ago, shifts in atmospheric composition like the impact of photosynthetic life set precedents for major climatic changes.2. Sustained volcanic activity, driven by the movement of Earth's tectonic plates, can alter regional and global climates by modifying ocean currents and wind patterns.3. The Earth's climate evolves due to interactions between the atmosphere and various geological, chemical, biological, and geographical factors.4. Human beings significantly impact climate change by emitting greenhouse gases into the atmosphere; however, this is just one part of a complex equation.

Five sentences related to a topic are given in the question below. Four of them can be put together to form a meaningful and coherent short paragraph. Identify the odd one out. Choose its number as your answer and key it in.Remarkably, extreme events of diversification and extinction happen more frequently than a typical Gaussian distribution would predict.Throughout life's history on earth, biological diversity has gone through ebbs and flows – periods of rapid evolution and of dramatic extinctions.Evidence for these ecological changes is found throughout the early and middle Cambrian fossil record but is even more apparent in deposits of exceptional preservation.We know this, at least in part, through the fossil record of marine invertebrates left behind since the Cambrian period.Instead of the typical bell-shaped curve, the fossil record shows a fat-tailed distribution, with extreme, outlier, events occurring with higher-than-expected probability.

The four sentences (labelled 1, 2, 3 and 4) given below, when properly sequenced, would yield a coherent paragraph. Decide on the proper sequencing of the order of the sentences and key in the sequence of the four numbers as your answer.1. Some places, such as the southwest of the US, now in its 24th year of drought, may have switched permanently to a drier state.2. In general, the dry parts of the world are becoming drier, partly through reduced rainfall and partly through declining river flow.3. Rising temperatures cause increased evaporation and increased transpiration by plants and add to this problem.4. Many of the world’s major growing regions are now threatened by “flash droughts”, in which hot and dry weather sucks moisture from the soil at frightening speed.

Five sentences related to a topic are given below. Four of them can be put together to form a meaningful and coherent short paragraph. Identify the odd one out. Choose its number as your answer and key it in.Not for the first time, some energy firms fooled themselves into believing that newfangled technologies and funding mechanisms could let them defy laws of financial gravity.This year, new solar installations in America are expected to more than double.Last year, for the first time, the world invested more in photovoltaic cells than in coal-and gas-fired power generation combined.In some respects, this is a bumper era for solar energy.China, which has more solar capacity than any other country, plans to triple it by the end of the decade.

Five sentences related to a topic are given below. Four of them can be put together to form a meaningful and coherent short paragraph. Identify the odd one out. Choose its number as your answer and key it in.As a result, discoveries can be made long after a telescope has been decommissioned.In doing so, the Kepler telescope has made “exoplanet research” one of the busiest areas of astronomy.Some of these worlds are far enough from their stars for liquid water to exist on the surface, meaning that these worlds would possibly be hospitable to life.Since then, it has spotted 2700 alien worlds.The Kepler telescope was launched into space in 2009 to look for extrasolar planets, those that circle stars other than the sun.