Answer:
Glass
Explanation:
Copper is a good conductor of electricity and this is why it is used in electrical equipment to transmit electrons with the least resistance. Cable conductors are made of copper and used to transmit data. Copper is now being replaced by optic fiber that is made of glass. Instead of using electrons, fiber optic transmits data using photons – which transmits more data rate than copper.
B. Weighing , because all its checking is the weight.
Answer:
B. Surgery
Explanation:
I am not entirely sure but based on the definition of selection pressure (which talks about how external agents affect the survival of an organism) surgery is does not meet the definition.
A tiger hunting a prey affects the survival of prey. Beginning of ice age is an environmental agent that can affect survival of organism that cant tolerate cold. Antibiotics are drugs that can kill bacteria thus lower their survival. Surgery can actually increase survival if some form of disease is being treated.
Storing energy as a fat allows the energy to be conserved long-term. The organism can store a large amount of energy while being insulated.
*some living things store energy as both carbohydrates and lipids
Recessive gene, both parents must give a recessive (or small letter of the phenotype, example ‘a’ and not ‘A’) gene for that genotype to be present. An example is blonde hair or blue eyes.