When two substances that cannot dissolve each other are mixed, a mixture is formed.

A heterogeneous mixture that has very small dispersed particles and stays mixed for a long time is a
.

A heterogeneous mixture that has larger dispersed particles that settle over time is a
.

1. heterogeneous

2. colloid

3. suspension

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.