What type of electromagnetic wave do we have if it travels at 3x108 m/s and has a frequency of 2x1018 waves/s?​

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

Earth's atmosphere is composed of mostly two gases. name the two gases that make up the majority of the atmosphere and use the pie chart to tell the percentages of each.

The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?