Q: What are made on ribosomes in the cytoplasm? Choices: - lipids - cells - enzymes - proteins A:
proteins

(Question)
Q: What celestial body is the earth's main source of energy? Choices: - rivers - ocean - moon - sun A:
(Answer)
sun

Ques: Q: What do scientists use to search other planets suitable for living? Choices: - optics - lasers - microscopes - telescopes A:
Ans: telescopes

(Q).
Q: Adult tunicates also develop a sac, called a what? Choices: - hood - skirt - frill - tunic A:
(A).
tunic

Ques:Q: Muscles that position the pectoral girdle are located either on the anterior thorax or on this? Choices: - posterior thorax - inferred thorax - analogous thorax - posterior thorax A:

Ans:posterior thorax

Ques:Q: What pulls skydivers towards the earth? Choices: - momentum - impact - inertia - gravity A:

Ans:
gravity