Calcium oxide is a basic oxide because when metals reat with oxygen they form basic oxides
The correct answer is option B- Clams
It is very clear how acid rain is affecting our ecosystem. Plants, animals and other living organisms are effected including their habitat.
When acid rain enters soil, it leaches aluminium from soil particles and mixes it with soil. Aluminium level in water intoxicates the water content which is critical for the survival of water animals.
The critical PH level for clams is 6.
Answer:
C. Enhancer
Explanation:
The enhancer is a regulatory DNA sequence that might be located thousands of nucleotide away from the transcription start site of a gene.
Bile from the gallbladder is escaping through cardiac sphincter into esophagus
