During the 2004 Tsunami, salt water flowed inland plants and insects in the soil. The salt water caused a change in the environment. In this example a change caused a change. A. abiotic, biotic
B. abiotic, abiotic
C. biotic, biotic
D. biotic, abiotic

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as