Answer:
Active Transport: Active transport pumps molecules through the cell membrane against the concentration gradient.
Passive transport, also known as passive diffusion, is a process by which an ion or molecule passes through a cell wall via a concentration gradient, or from an area of high concentration to an area of low concentration.
Explanation:
the answer is actually A. chemical weathering by oxidation .
chemical weathering works on rocks that contain iron. These rocks turn to rust in a process called oxidation. Rust is a compound created by the interaction of oxygen and iron in the presence of water.
An example of this is to whether smoke cigarette or not. People smoke whenever they feel anxious with their activities but they were thinking that it is not a habit, but in the end, they will be used to it that is why they tend to forget how to live without smoking. This is the reason why they got addicted and to some serious problems with their health.
Answer:
Sedimentary rocks are formed from small pieces of rock. Deltas, bottom of waterfalls, and river banks is where they are formed.
Explanation: