An iceberg floats in fresh water with a part of it outside the water surface. Calculate the fraction of volume of iceberg, which is below water surface. (Given density of water =1000 kgm and density of ice = 900 kgm ?) [9/10 Part] ​

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f