Q: Zinc reacting with hydrochloric acid produces bubbles of which gas? Choices: - carbon - helium - mustard - hydrogen A:
hydrogen

(Question)
Q: What type of energy from a warm cola results in melting when it is transferred to the much colder ice? Choices: - protective energy - gaseous energy - cyclic energy - thermal energy A:
(Answer)
thermal energy

Ques: Q: How do most growing plant cells expand? Choices: - through germination - through cell respiration - through photosynthesis - through water uptake A:
Ans: through water uptake

(Q).
Q: What two structures are found on mars? Choices: - geysers and canyons - Mountains and Creeks - Trees and Canyons - volcanoes and canyons A:
(A).
volcanoes and canyons

Ques:Q: What is the major cause of disease in agricultural crops? Choices: - bacteria - drought - pollution - fungi A:

Ans:fungi

Ques:Q: Where do greenhouse gases trap heat? Choices: - ground - space - altitude - atmosphere A:

Ans:
atmosphere