Answer:
Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere
Explanation:
Answer:
The answer to your question is: Active transportation
Explanation:
Cell can move molecules in or out of it by two processes: Active or Passive transport.
Active transport: is the movement of molecules against a concentration gradient. Use proteins or enzymes to happen.
Passive transport: is the movement of molecules or ions from a higher concentration to a lower concentration.
Allopatric<span> speciation occurs when new species arise as a result of geographic isolation from the ancestral species. It involves an extrinsic barrier to gene exchange and can occur by a number of means including subdivision or peripheral division.</span>
Answer;
Cell membrane
A cell membrane acts as a boundary that separates things that are inside the system from those that are outside the system.
Explanation;
It is a thin semipermeable structure that surrounds the cytoplasm of a cell.
The membrane functions to protect the integrity of the internal environment of the cell by allowing selective movements of materials in and out of the cell.
The membrane consists of a phospholipid bilayer with proteins embedded in it.
<h2>Regulate of Environmental</h2>
Explanation:
- The motivator based administrative methodology progresses in the direction of forestalling ecological issues by giving promptings to urge contaminating substances to diminish contamination.
- An advantage of the motivator based methodology is that it energizes the production of imaginative and financially savvy techniques for <em>contamination control. </em>
- Administrative methodologies require government offices to limit or direct the exercises of controlled gatherings utilizing terms and conditions inside statutory and administrative instruments, <em>working grants, licenses, endorsements or codes of training. </em>
- <em>Command and control causes administrators to benefit as much as possible from whatever hardware they have - individuals, data, material, and, regularly generally significant of all, time. </em>
- Particles have assisted with securing nature, they have three weaknesses.
- <em>They give no motivating force to going past the cutoff points they set.
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- They offer restricted adaptability on where and how to lessen contamination.
- <em>They regularly have politically-spurred escape clauses.</em>
