Q: What do you call the hard case that surrounds the soft parts of some animals?    Choices:  - muscles  - shell  - membrane  - exoskeleton  A:
exoskeleton
(Question)
Q: Aluminosilicates are formed by replacing some of the si atoms in silicates by which atoms?    Choices:  - fe  - ce  - ad  - al  A:
(Answer)
al
Ques: Q: What is the only planet we know that has plate techtonics?    Choices:  - Saturn  - Mars  - Jupiter  - earth  A:
Ans: earth
(Q).
Q: What is responsible for our sense of balance?    Choices:  - our eyes  - our limbs  - our feet  - our ears  A:
(A).
our ears
Ques:Q: The numbers and types of species in most ecosystems change to some degree through time and this is called?    Choices:  - physiological succession  - continuous succession  - environmental succession  - ecological succession  A:

Ans:ecological succession
Q: What is the process in which cells make proteins called?    Choices:  - factor synthesis  - light synthesis  - gas synthesis  - protein synthesis  A:

protein synthesis