Fill in the blank below with the vocabulary word that best completes the sentence. the evolutionary process through which new species emerge is called

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Identify the examples in which sam interacts only with natural resources