Answer: Option [C]The correct answer is Hydrological cycle. Hydrological cycle is also known as the “water cycle”; it is the normal water recycling system on Earth. Due to solar radiation, water evaporates, generally from the sea, lakes, etc. Water also evaporates from plant leaves through the mechanism of transpiration.
Answer: Option [B]The correct answer is Magnesium. Magnesium is a macronutrient that is necessary to both plant growth and health. It is involved in several different processes, including photosynthesis, which nearly all living organisms are dependent on.
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Answer: Option [A]If the size of an individual particle in the soil has a diameter between 0.002 mm and 0.05mm, the soil is known as Silt. Silt particles are from 0.002 to 0.05 mm in diameter. Sand ranges from 0.05 to 2.0 mm. Particles larger than 2.0 mm are called gravel or stones. Most soils contain a mixture of sand, silt and clay in different proportions.
Answer: Option [D]The correct answer is Herbivores. The second trophic level is made up of primary consumers or herbivores, third of secondary consumers or carnivores, fourth of tertiary consumers such as animals that feed on other carnivores.
Answer: Option [B]The correct answer is Hydra. In terms of diet, Hydra is a strict carnivore, meaning they only eat other animals. As a result, they eat a wide range of small creatures, including annelids, cladocerans, and copepods, among others.
