The Freezing Point The graph shows a substance changing from liquid to solid. 1. Integrate With Visuals Based on the graph, what is the value of the freezing point for this substance? 2. Draw Comparative Inferences Think about what would happen if this substance were in the solid phase first, then melted into a liquid. What can you say about the solid's melting point compared to the liquid's freezing point? 3. Identify Which substance does the graph represent? Circle your answer. / The following are four substances and their melting points. Platinum: 1768.3°C Gold: 1064.18°C Silver: 961.78 C Mercury: -38.83 C

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.

What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy