Answer:
False
Explanation:
The hypotheses are conjectures, speculations, predictions about a certain phenomenon of nature and how it behaves. Hypotheses should be tested, which is usually accomplished through experiments.
Theories are well-founded explanations for describing events occurring in nature. They involve hypotheses already thoroughly tested, facts and laws.
1. Cells
2. Tissues
3. Organs
4. Organ Systems
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Answer:
Explanation:
1. Cells
2. Tissues
3. Organs
4. Organ Systems
to secure the nucleus at the center of a cell
B.
to provide energy for the cell
C.
to provide immune defense for the cell
D.
to move materials in and out of the cell
Answer:
a
Explanation:
Answer:
Carbon sequestration in agricultural land is the storage of carbon in the soil.
Explanation:
Carbon sequestration refers to the capture and storage of atmospheric carbon in the soil. Carbon dioxide gas is the common form of atmospheric carbon . Sufficient amount of soil carbon is important for the proper growth of vegetation in the soil.
Through the process of photosynthesis plants and trees perform biological carbon sequestration. When the number of plants and trees decreases the percentage of soil carbon decreases and percentage of carbon dioxide in the atmosphere increases. Fossil fuels are reserves of carbon in soil.
It is when they are consumed carbon changes to carbon dioxide and reach the atmosphere. When a land is converted to agricultural land the carbon content of the soil reduces.
Replenishing the carbon content can be done by following several methods like leaving the plant leftovers after harvest in the field itself, use of manure as fertilizer, planting perennial crops etc.
Answer:
Thunderstorms form when they are warm, moist air rises into cold air. The warm air becomes cooler which causes moisture called water vapor to form small water droplets, a process called condensation. The cooled air drops lower in the atmosphere warms and rises again.
Explanation: