Answer:
Evolution reflects the adaptations of organisms to their changing environments and can result in altered genes, novel traits, and new species. One mechanism that drives evolution is natural selection, which is a process that increases the frequency of advantageous alleles in a population.
Explanation:
An example of matter here is B. the light bulb.
Light bulbs are made mostly of glass and wires. Glass and wires have mass and take up space.
<span>In the third stage of the birthing process, the placenta is delivered, and it does not remain intact. So, the answer is D. Placenta delivery takes about 5 to 30 minutes, and is the shortest stage. Along with the placenta, the empty bags of water attached to the placental membrane, are also delivered</span><span />
I think the independent variable is the temperature, while the dependent variable is the size of the balloon. The factor that is held constant is the amount of air in the balloon. An identical balloon kept at the original temperature. Independent variable in an experiment is the variable that the experiment plans to change while the dependent variable is the variable whose value depends on the independent variable.
Answer:
Based on the diagram, tropical cyclones are powered by cold, high altitude air.