option C is correct........
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Question: Which phrase defines a law?
A. a possible explanation or answer to a scientific question that is based on prior knowledge or research and is testable
B. A statement of fact that is generally accepted to be true and universal because it has always been observed to be true.
C. a hypothesis or group of related hypotheses that can be accepted as true based on repeated experimentation with similar results
Answer:
Correct answer: B). A statement of fact that is generally accepted to be true and universal because it has always been observed to be true.
Explanation:
A scientific law may be defined as the something that appears to be true and is universally applicable. Scientific laws do not explain why the observed events happen, but it only states that the event occurs in the same way over and over. Example of scientific law is a law of gravity. Gravity is always there and it always works in the same manner. Other examples include newton's law of motion, which states how the things move.
This can be helpful to treat tumors because tumors grow at a rapid rate and they are "out of control". By inhibiting the mitosis production, the tumor cells can also stop growing.
Answer:
(A) True
Explanation:
The sun is producting the electromagnetic radiation which is the primary energy source on Earth and the driver of the entire climate system.
In general the sun is the source of energy that drives all life on Earth. This energy governs the weather, ocean currents and the hydrological cycles.
Without the continuous influx of sunlight and heat, life on Earth would cease to exist. The sun sets off the hydrological cycle, causing it to constantly evaporate into the atmosphere, from which it falls back to Earth.
Answer:
Sexual reproduction occurs from the fusion of male sperm cell with female egg cells. Due to this fusion, fertile zygote is formed which turns into a new organism.
Explanation:
The sperm cell of male and egg cell of female are haploid in nature i. e. half number of chromosome. When two haploid cells combine together, it forms diploid cell i. e. double number of chromosomes. The organism which is formed from sexual reproduction have diploid cell.