How to fill out your workbook by topic?

Good afternoon to all readers of the Bioblogosphere! To your attention tasks of topic 18 « Activities for conservation of species biodiversity». Task formulation 18-1. In the Earth's geological history, species emergence and extinction constantly took place in the biosphere; all species have a finite lifetime. Species extinction is a natural process of the evolution. Why are scientists and the public so excited about this process? Answer: currently, under the influence of anthropogenic factors, biological diversity is being reduced due to the elimination (extinction, destruction) of species...

Good afternoon to all readers of the Bioblogosphere! To your attention exercises of topic 18 « Activities for conservation of species biodiversity». Thank you for attention! That's all for today! Bye Bye!...

Good afternoon to all readers of the Bioblogosphere! To your attention topic 17 « System of waste recycling». Task formulation 1 7 - 1. Mercury as substance belongs to the first hazard class. Why is mercury still used in household appliances? Answer: mercury: thermometers, mercury-containing lamps, galvanic cells, fluorescent lamps, manometers, barometers, etc. Task formulation 1 7 - 2. According to the waste classification by hazard class, plastic is practically not hazardous. Do you agree with...

Good afternoon to all readers of the Bioblogosphere! To your attention tasks from topic 16 « Methods of soil research and protection». Task formulation 16-1. Why is the geosphere layer, located below the asthenosphere, named after the Russian prince Boris Borisovich Golitsin? Prince Boris Borisovich Golitsyn (1862-1916) - representative of the Golitsin clan, Russian physicist, academician of the Russian Academy of Sciences, member of the Royal Society of London. One of the founders of seismology, geophysicist, inventor of the first electromagnetic seismograph (1906)...

Good afternoon to all readers of the Bioblogosphere! To your attention tasks from topic 16 « Methods of soil research and protection». Thank you for attention! That's all for today! Bye Bye! Have a good...

Good afternoon to all readers of the Bioblogosphere! To your attention tasks from topic 15 « Research methods and protection of surface and ground waters». Task formulation 15- 1. Why did English writer, scientist, and futurologist Arthur Clark said: «How earth does not correspond to our planet! How much more correct it would be to say the Ocean». Prove his statement correctness or incorrectness. The ratio of land to water surface on Earth: the oceanic hemisphere; the continental oceanic hemisphere...