Match the following. 1. protons no charge 2. neutrons positive charge 3. electrons negative charge

CH4 + O2 > CO2 + 2H2O Is this chemical equation balanced? If not explain what you would do to balance the equation.

How does the cantor plowing technique conserve soil? A) it slows down the rate of runoff B) It increases the rate of runoff C) It uses fewer soil nutrients D) It uses minerals from rocks

What is the advantage to prokaryotes grouping related metabolic gene products into a single operon

Air has a density of 0.001293 g/cm³. Which of these gases would make a balloon float in air? Check all that apply. *nitrogen, density: 0.001251 g/cm³ *carbon monoxide, density: 0.001977 g/cm³ *helium, density: 0.

Using at least three sentences, explain the cycling of energy through the processes of photosynthesis and cellular respiration.

Which of the following explain why sunlight is important to aquatic ecosystem?. - Sunlight provides a source of heat energy to increase water temperature. - Sunlight keeps harmful bacteria from taking over aquatic ecosystem.

In the term "nucleic acid," what does the word "nucleic" indicate?

Which type of energy can be sensed by the ears? A. sound energy B. electrical energy C. thermal energy D. light energy

Why do populations in the deep sea tend to have longer lifespans than those in higher layers

Suppose 10, 000 units of energy are available at the level of the grasses. What is the total number of energy units available by the time energy reaches the owl?