Which of the following is a biotic factor of an ecosystem? A. a rock B. air C. grass D. climate

What is the speed of a wave with a frequency of 0.2 Hz and a wavelength of 100 m

This food group contains carbohydrates, especially sugars, as well as vitamin C and is a great alternative to processed snacks and sugary desserts. A. oils B. fruits C. grains D. vegetables

Which of the following best compares mosses and ferns? a. They are both vascular plants, but mosses are gymnosperms and ferns are angiosperms. b. They are both angiosperms, but mosses produce seeds and ferns produce spores. c.

Why would archaea that grow in extreme environments be more intensively studied than those that do not?

Doves are the only birds that drink with their heads down true or false

List some of the beneficial applications of transgenic bacteria, plants, and animals.

What does atmosphere does for us

What makes the eye look yellowish?

Photoelectrons with a maximum speed of 8.00 * 107 m/s are ejected from a surface in the presence of light with a frequency of 7.50 * 1014Hz. If the mass of an electron is 9.

Why is the Golgi apparatus in the cell?