The zone in marine ecosystem which is dark and cold throughout the year ?
A) abyssal zone
B) bathyal zone
C) euphotic zone
D) bathyal and abyssal zone
Answered Feb 05, 2023
(A) Savannahs
(C) Von Sachs
Correct option is: (B) 100 °C/m
The dark coloured outer zone is called Cortex
Correct option is D) oceans
D) euphotic zone, bathyal zone, abyssal zone
A) Bathyl zone
Correct option is: (D) Current only
D) all the given
Answer is (B) River
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