Q: Ammonia, urea, and uric acid are examples of what kind of waste? Choices: - carbonous - sulphurous - oxygenous - nitrogenous A:
nitrogenous

(Question)
Q: What effect, related to weather forecasting, occurs not only for sound but for any wave when there is relative motion between the observer and the source? Choices: - pulse - echo - precipitation - doppler A:
(Answer)
doppler

Ques: Q: What term is defined as the preserved remains or traces of organisms that lived during earlier ages? Choices: - bones - waste - deposits - fossils A:
Ans: fossils

(Q).
Q: What is lava called before it reaches the surface of the earth? Choices: - crust - pyrite - rock - magma A:
(A).
magma

Ques:Q: Due to similar function, the wings of bats and birds are referred to as what type of structures? Choices: - symmetrical structures - matching structures - Identical structures - analogous structures A:

Ans:analogous structures

Q: Which type of isomers generally have lower boiling and melting points than straight-chain isomers? Choices: - straight-chain isomers - branched-looping isomers - branched - solar isomers - branched-chain isomers A:
branched-chain isomers