A student notices dark clouds in the sky and that the playground is wet the student reasons that it rained which scientific skill describes the students reasoning

A. classifying

B. observing

C. inferring

D. predicting

How to find protons and neutrons and electrons of element khan academy?

Longshore drift occurs when: the repetitive action of swash and backwash transports sediment sideways along the coas powerful waves wash against the shore, carrying rock and sand away rock particles in waves grind against the shore none of the above

You have 2 moles of NaOH how many molecules of NaOH?

Which statement best explains the change that occurs when gas particles move more slowly

Why is denaturation dangerous for the body?

Enthalpy changes that are difficult to measure directly can often be determined using Hess' Law to construct an enthalpy cycle.

Student follow up The ionic equation for the reaction between zinc and sulfuric acid is. Zn (s) + 2H (aq) - - Zn" (aq) + H2 (g) a State what has been oxidised in this reaction. Explain your answer in terms of electrons.

Consider the balanced chemical reaction below. When the reaction was carried out, the calculated theoretical yield for water was 176 grams, but the measured yield was 148 grams. What is the percent yield?

How do you think the flooding likely affected the ecosystem?

Cyanide was used in the infamous Jonestown Massacre true or false