Answer: While physical weathering breaks down a rock's physical structure, chemical weathering alters a rock's chemical composition. Physical weathering works with mechanical forces, such as friction and impact, while chemical weathering takes place at the molecular level with the exchange of ions and cations.
Explanation:
Treppe is the phenomenon that results in a progressive increase in the force generated with repetitive stimulation.
Question - In a paternity testing case, a child's DNA was collected to see if it matched both parents' DNA. Which type of genetic material can be used for the DNA fingerprinting?
Answer - gel electrophoresis
Why - It is used to "separate molecules/DNA according to their size and electrical charge using an electric current passed through a gel containing the samples".
Cyanobacteria obtain their energy through photosynthesis
Answer:
3. The level of sugar in the blood is affected by the amount of insulin in the blood.