which type of organism can be obtained energy directly from any of the other organisms in the ecosystem

Who is dalton and what is daltons theory

The table shows the number of charged subatomic particles in an ion. Charged ParticlesCharge on Particle Number of Particles Positive 12 Negative 10 A positively charged substance is brought near the ion.

What is the mass of a 1.75l sample of a liquid that has a density of 0.921 g/ml?

How is the outer core a liquid?

What is the alpha decay of Radon-198?

Give examples of two properties of water that are caused by the attractions between water molecules.

If the alum reaction was done starting with 12.000 g of al, how many moles of hydrogen gas would be produced according to the balanced equation?

Name three characteristics of nonmetals.

What is the limiting reactant when 7.0 grams of aluminum and 15.2 grams of oxygen react to produce aluminum oxide?

If the FDA enacts more stringent pharmaceutical drug tests, two costs of this policy would be: A. drug lapse and drug misallocation. B. drug misallocation and drug loss. C. drug lag and drug lapse. D. drug loss and drug lag.