Answer: Electrical -> Radiant Energy -> thermal Energy
Explanation:
Electrical energy is transferred from the electrical outlet to the microwave. Radiant energy is transformed into thermal energy as the popcorn kernels absorb the microwaves (Radiant Energy). This causes the kernels to become hot and pop (Thermal energy).
Hope this helps!
Answer:
b
Explanation:
hydrotropism is when the growth or turning of plant root towards or away from moist soil
Answer:
This is a case of natural selection
Explanation:
Mutations are a fundamental part of the process of evolution by natural selection. These are a random genetic modifications that occur on every organism - some are beneficial and others could be harmful or disadvantageous. Therefore, natural selection decides which mutations will stay on a population and which ones will be eliminated.
In this scenario, this mutation enables the male bird to carry out better mating rituals, therefore it would be considered beneficial as it helps the species to reproduce and survive. So, it will be passed on from generation to generation, making other individuals fit for survival.
Answer: topoisomerases
Explanation:
Topoisomerases are enzymes that help overwind or underwind DNA. DNA double helix has high tedency to get winded again because of its structural characeristics.
During replication and transcription of DNA, DNA gets overwound in front of a replication fork. This enzyme stops the double helix of DNA from becoming too tightly bound in front of the replication fork as the DNA opens.
The given demonstartion shows the action of topoisomerases as it shows unwinding of of supercoiled strands of pipe (DNA), which is don eby topoisomerases in the DNA replication process.
Hence, the correct answer is topoisomerases.
