Answer: 31, Igneous rocks are formed from lava or magma. Magma is molten rock that is underground and lava is molten rock that erupts out on the surface. The two main types of igneous rocks are plutonic rocks and volcanic rocks. Plutonic rocks are formed when magma cools and solidifies underground
32, Sedimentary rocks can be organized into two categories. The first is detrital rock, which comes from the erosion and accumulation of rock fragments, sediment, or other materials—categorized in total as detritus, or debris. The other is chemical rock, produced from the dissolution and precipitation of minerals
33, Rocks are formed on Earth as igneous, sedimentary, or metamorphic rocks. metamorphic rocks form from heat and pressure changing the original or parent rock into a completely new rock.
Answer:
(D). Ammonification.
Explanation:
Composting involves recycling of garden and kitchen waste to nutrient rich manure for plants. Ammonification can be defined as a process, by which nitrogen, present in organic compounds found in organisms' wastes is recycle by decomposing microorganisms.
It involves formation of ammonium ions (or ammonia) from organic nitrogen. As Kate is performing composting and she notices smell of ammonia, the process taking place in composting bin is ammonification.
Thus, the correct answer is option (D).
Answer:
E
Explanation:
A chloroplast is the organelles in which photosynthesis takes in plants. The chloroplast has thylakoid lamellae that occasionally arrange itself into stacks called grana where there are photosystem units that have chlorophyll pigment. The chlorophyll pigments tap energy from the photons of sunlight and use it for photophosphorylation.
