They don't offer justifications for why they are accurate. They are regarded as established facts.
- A theory essentially means the opposite. A well-supported explanation of a phenomenon in the natural world, including laws, hypotheses, and facts, is called a theory.
- A hypothesis is a statement about the natural world that can be verified by observations or tests. Hypotheses must be falsifiable—that is, they must be formulated in a fashion that allows them to be disproven—and be evaluated scientifically in order to be considered to be true.
- Scientific laws or laws of science are propositions that describe or forecast a variety of natural occurrences and are based on repeated tests or observations.
- Scientific rules condense the findings of tests or observations, typically within a specific applicability range. The accuracy of a law typically does not change when a new theory of the relevant phenomenon is developed; rather, the law's application area expands because the mathematics or statement that represents the law remains constant.
Therefore, scientific laws, theory, and hypothesis are different aspects of Science.
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Answer:
Explanation:
Gametes are sex cells, such as the egg and sperm. They are used in sexual reproduction to produce offspring.
The sex cells are produced during meiosis. The DNA or genetic material is replicated, then the cells divide twice. After this, four haploid cells are produced with <u>half of the genetic material</u>. For example, human body cells have 46 chromosomes but sex cells have 23 chromosomes.
They contain half the genetic material for an important reason. During fertilization, an egg and a sperm fuse. Each one contributes half of the genetic material from the mother or father to create one complete set for the offspring.
Gametes have <u>half the number of chromosomes in body cells</u> and <u>choice A </u> is correct.
Answer:
waves hit the rocks and damage the outer layer of the rocks
A tundra is a vast, flat, treeless Arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen. Grass lands are a<span> large open area of country covered with grass (like the name suggests).</span>