After a scentist has drawn a condusion, tests the conclusion, and is saisies with the results What is the next step in the scientific process

A. making a hypothesis
B. ergerimenting
C. communicating results
D. anaying tata

What causes most sediment to wash or fall into a river

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.