The initiation of DNA replication<span> occurs in </span>two<span> steps. First, a so-called initiator protein unwinds a short stretch of the </span>DNA<span> double helix. Then, a protein known as helicase attaches to and breaks apart the hydrogen bonds between the bases on the</span>DNA strands<span>, thereby pulling apart the </span>two strands<span>.</span>
Answer:
Water enters the atmosphere through evaporation, transpiration, excretion and sublimation:
Transpiration is the loss of water from plants.
Animals excrete water by respiration and by passing urine.
Sublimation is when ice or snow transforms directly into water vapor without going through a liquid phase.
Explanation:
Water commonly occurs in the atmosphere in the form of water vapor. If it cools down, it can condense, accumulating in clouds. As the clouds grow, they become heavier and can fall back to the Earth as precipitation or re-evaporate back into vapor.
Answer:
yes i think we should start using renewable resources
Explanation:
people need to see that using non renewable resources is very risky because you may never know when we finish them all
Technology does not affect the earth's environment.
People adapt to their environment.
People adapt their environment.
Population growth and the environment are unrelated.
Changes to the earth's environment rarely matter.
Changes to the earth's environment can be harmful.
Changes to the earth's environment can be beneficial
When we discuss our environment we mean the world in our general surroundings which can influence our lives.
When we discuss the environment we mean the world in our general surroundings that encompasses and influences all life on earth, including the air, natural ways of life, the water cycle, plants, creatures and different people.
Environmental change is one of the huge natural changes that is influencing the lives of individuals, creatures and plants everywhere throughout the world.
Answer:
Atmospheric Pressure and Winds belts.
Explanation:
- As the fluid is heated it rises as the molecules get energy on heating, similarly the particles cool when they are condensers at a certain temperature that causes them to sink a similar pattern is found in the atmosphere also. The light arises and heavier air falls as it's dense and hence sinks again.
- Similarly, the earth heating patterns that are derived from convection currents coming from the mantel are also derived from the tectonic processes from within the earth's interior.
- Within the atmosphere and oceans are also found the wind and pressure belts that rotate in the spherical motion and derive up and down from the equator of the earth. The poleward cool air and hot air from the equator are mixed and create turbulence in the upper atmosphere in the form of Jet steams and westerlies and easterlies that derive the weather patterns around the globe.
