Elements in the first group of the periodic table are a. alkali metals b. alkaline earth metals c. transition metals d. radioactive metals

Less than 0.1% of the energy in a food chain generally makes it from the sun to quaternary consumers. (A) True (B) False

What are the five types of materials used to make welding rods?

Pepsi Vinegar Orange Juice What property do all three of these common household substances have in common? A) They are all acidic. B) They all taste bitter. C) They all have a pH above 7. Eliminate D) They all turn litmus paper blue.

What is another name for a tropical savanna?

Thick fur to stay warm is it physical or behavior adaptation

Which system and rationale best pairs with the musculoskeletal system to ensure fluid movement of the human body? 1. the digestive system, to obtain the energy that is needed to move the muscles with smooth, coordinated effort 2.

What is a weak, temporary bond

Why does the need for living space cause problems for some organisms?

Name two factors that will determine whether a non native species becomes an invasive species

Soaps, by themseives, are examples of a. surfactants. b. degerming agents. c. antiseptes d. both a and b.