Answer:
The resistance of the bacteria to antibiotics is increasing and the disease which were easily treatable using the antibiotics, are now incurable and bacteria becomes resistant.
The overdose and misuse of antibiotics Is a big concern of worry. Every time we use antibiotics, it will kill the bacteria which were sensitive but resistant bacteria will survive and starts growing and this process will increase the growth of the resistant bacteria upon the nest use of the antibiotics.
Also due to unawareness, the use of antibacterial tablets against viral infections also cause increase in resistance of bacteria against antibiotics.
Explanation:
The rock cycle is powered by the internal and the external heat engines.
The sun is the ultimate source of energy that drives surface processes.
The heat from radioactive decay, frictional heat, accreted heat during the formation of the earth all combines to drive subsurface event.
- Surface events that impacts the rock cycle are weathering, erosion, transportation and deposition of sediments.
- Surface events leads basically to the production of sediments.
- The agents that drives the production of these materials are the wind, water and glacier.
- The sun is the major drive for the formation of these agents.
- The process leads to the formation of sedimentary rocks
For the subsurface process, the internal heat engine provides the energy that powers the convection current within the mantle.
This process leads to the formation of igneous and metamorphic rocks.
Where plates diverges and converges, igneous rocks form due to the upwelling of magma.
At convergent margin, a subduction zone allows for the changing of rock type into a metamorphic one. This is due to the temperature and pressure in those areas.
learn more:
Metamorphic rocks brainly.com/question/869769
Sedimentary rocks brainly.com/question/9131992
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Answer:
2
Explanation:
There are two kinds of photosystems: photosystem I (PSI) and photosystem II (PSII) (Fig. 3.3).
The hypothalamus helps keep the body's internal functions in balance. It helps regulate: Appetite and weight and Body temperature.
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Answer:
In the Cretaceous period, Mesozoic Era forests begin to look like modern day forests and included a variety of conifers and decidous trees.
Explanation:
The Cretaceous period was the last and longest segment of the Mesozoic Era.It lasted approximated 79 million years from the minor extinction events that closed the Jurassic Period about 145.5 million years ago to the Cretaceous - Palogene ( K-Pg) extinction event dated at 65.5 million years ago. This era have seen more dinosaurs than before.The horned Cretaceous dinosaurs appeared, like the Triceratops and Centrosaurus. The armored Ankylosaurus, duckbilled Parasaurolophus, and large carnivore Tyrannosaurus were a few of the quickly evolving dinosaurs.