Answer:
A mixture is a combination of two or more substances which are bound chemically. Identities of each substance is retained in the mixture.
Solid-solid mixture is sub-type of mixture which are formed by mixing two or more solids.
For example, soil (mixture of sand, silt, clay etc), gun powder (mixture of carbon, potassium nitrate, sulphur), etc.
Similarly, in class various solid mixtures are found such as:
- Chalk is mixture of calcium carbonate, silt and clay.
- Concrete is a mixture of cement, lime, sand, rocks, and water.
- Stationery such as pen, pencil, sharpener, etc also come under solid mixtures.
- Alloys are also considered as homogeneous mixture. So, bronze, brass etc found in electrical appliances are also an example of solid mixtures.
Answer:
Bacteria may spread directly from one person to another. For example, they can spread through touching, coughing, or sneezing. They may also spread via food, water, or objects. Another way bacteria and other pathogens can spread by vectors.
(touching, coughing, or sneezing)
Explanation:
Hope this helps!!!
I don't know if there are options to this question, but here are some examples:
-To prevent spredingto other people, wash your hands often using soap and water; do not share any items with other people
-The client should contact the <span>healthcare provider if the symptoms are getting worst.
-</span><span>The client should go to the emergency or call 911 if they are having trouble </span><span> breathing, feel dizzy, or showing lips and fingernails turning blue.</span>
Answer:
4. The cell has chloroplasts to turn sunlight into food