Answer: 4 g/cm cubed
Explanation: density is mass divided by volume so 36 g divided by 9 cm cubed is 4 g/cm cubed
Mutations present permanent and heritable changes in the genome. We distinguish gene and chromosome mutations. Mutations in the level of genes are called point mutations because only one to several nucleotides are changed. These processes are known as deletion, insertion, and substitution. Deletion presents a loss of nucleotides which changes DNA sequence. When new nucleotides are embedded in the DNA chain, it is known as insertion. Substitution implies the process where new nucleotides are inserted while the ones that were present in that specific spot in a DNA molecule are deleted.
Mutations can also appear in chromosomes altering their number and structure. There are four types of mutations - deletion, duplication, inversion, and translocation. In deletion, a whole or one part of a chromosome is lost. Duplication presents an extra copy of a whole or one part of a chromosome. In an inversion, parts of a chromosome change order, while in translocation a part of one chromosome detaches and then connects to another.
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The thin membrane that moves in and out in response to sound waves colliding with it and passes the vibration on to the middle ear is the tympanic membrane. It is a thin layer of tissue that functions to receive vibrations of sound from the air and transmit these to the auditory ossicles. It is located at the end of the external canal and has a shape of a flattened cone with the apex pointing inward. It is also called the eardrum. It has three layers which are the outer layer which is continuous with the skin, the inner layer which is continuous with mucous membrane and in between a radial layer of fibers which gives the membrane its stiffness.
A - aquatic ecosystem
B- in the sand on the beach Burried but raccoons will dig them up n eat them