Three 1-L samples of pond water are placed in clean containers. Sample 1 has 2 g of a high-nitrogen fertilizer added; sample 2 has 4 g of a high-nitrogen fertilizer added; and
sample 3 has 20 g of a high-nitrogen fertilizer added. Which sample would show the most
colouration after 10 days? Why?

1. key concept list themajor biomes, and give onecharacteristic feature of each.

Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more

The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3