1. SIMPLE DIFFUSION
Diffusion is the tendency of molecules to spread from regions of high concentration to regions of low concentration. This movement is due to a concentration gradient. This is the difference in concentration between two different regions. An example - when you spray perfume in the corner of a room and eventually you can smell it everywhere.
2. OSMOSIS
Osmosis is the diffusion of water across a selectively permeable membrane from a region of high water concentration to a region of low water concentration.
Answer:
This is the spring tide: the highest (and lowest) tide. Spring tides are not named for the season. This is spring in the sense of jump, burst forth, rise. So spring tides bring the most extreme high and low tides every month, and they always happen – every month – around full and new moon.
Explanation:
Answer B) Cell division demonstrates that cells come from pre existing cells.
Crack
If frank is using a drug that causes addiction in nearly 75% of those who use it, he is probably ingesting crack.
Crack is a relatively cheap, extremely addictive form of cocaine which is usually smoked through a crack pipe. Crack is highly used and available in a rock form that is usually white, cream, tan, or light brown. Crack is extremely concentrated and addictive. It is possible for an individual to become addicted to it after its first use. When crack is smoked, its effects take place under a minute and lasts within 30 to 60 minutes.
This is your answer I hope this answers your question and that you have amice rest of your Sunday: Cardiac muscle is an exception among involuntary muscles, which are characteristically smooth. Its contractile fibers resemble those of skeletal muscle but are only one third as large in diameter, are richer in sarcoplasm, and contain centrally located instead of peripheral nuclei.