B. increased energy
C. increased particle collisions
The correct reason behind the increased rate of the reaction with the increase in these parameters is the increased collisions between the particles.
Option C.
Molecules that take part in a chemical reaction are present in a common medium. This medium contains all the molecules and the enzymes required for the reaction. The reaction that takes place in the medium is initiated by the collision between the reactant molecules which dispose into the reaction. Thus, increasing the rate of collision between the molecules increases the rate of the reaction.
Increasing the temperature increases the kinetic energy of the molecules which in turn increases the rate of collision.
Increase in the pressure reduces the volume, thereby bringing the molecules together, increasing collision.
Increase in concentration increases the number of molecules per unit volume, thereby increasing the rate of collision.
Answer:
increased particle collisions
Explanation:
O Plant roots growing through concrete and splitting it
O Waves carrying sand away from a beach
OSmall rocks being carried along a river bed
The best example of physical weathering is as follows:
Thus, the correct option for this question is B.
Weathering may be defined as a process through which numerous rocks and minerals found on the earth's surface are considerably broken down into smaller fragments. The process of weathering is facilitated by different components like water, wind, ice, etc.
Physical weathering may be defined as a type of process that stimulates the disintegration of rocks, minerals, and soil components without undergoing any chemical change. Some examples of physical weathering are as follows:
Therefore, plant roots grow through concrete and split represents a process of biological activities or root wedging. So, the correct option for this question is B.
To learn more about Physical weathering, refer to the link:
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Answer:
Plant roots growing through concrete and splitting it.
Short answer: yes. That is exactly how they are classified.
A paramecium is a small one celled (unicellular) living organism that can move, digest food, and reproduce. They belong to the kingdom of Protista, which is a group (family) of similar living micro-organisms. Micro-organism means they are a very small living cell.
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