The temperature<span> remains constant during these phase transitions. </span>Water<span> has a high </span>boiling<span> point because of the strong hydrogen bonds between the </span>water<span> molecules; it is both a strong hydrogen bond donor and acceptor. The first change of phase is melting, during which the </span>temperature stays the same while water<span> melts.</span>
If my letter guessing is right i would go with A or the first one
well power is equal to work multiplied by time so .. 900j divided by 15 s will give you 60 Watt as your answer
Answer:
Natural selection is least likely to occur in this population if:
- The resources are continuously available
For a species to survive in an area, it is essential that the place has enough resources like nutrients, space, water etc. If these resources are available then there will be less chances of competition which will lead to lesser chances of natural selection.
- The number of of death rates is equal to the number of of birth rates
In an balanced ecosystem, the number of birth rates is equal to the number of death rates for a population. If the number of death rates is lesser to the number of birth rates then the competition for resources will lead to natural selection.
Answer:
C, carbon dioxide and water
