Cell has cell membrane<span> (also known as the </span>plasma membrane<span> or </span>cytoplasmic membrane<span>) it is a </span>biological membrane<span> that separates the </span>interior<span> of all </span>cells<span> from the </span>outside environment.<span> The cell membrane is </span>selectively permeable<span> to </span>ions<span> and </span>organic molecules<span>and </span>controls the movement of substances<span> in and out of cells.</span><span>The basic function of the cell membrane is to protect the cell from its surroundings.</span>
Answer:
In uranium-lead dating, for instance, the radioactive decay of uranium into lead proceeds at a reliable rate. Based on the very old zircon rock from Australia we know that the Earth is at least 4.374 billion years old.
And that's how after rounding we know that earth is 4.5 years old.
Answer:
true, if you say false, your a clown, the answwer is true
Explanation:
By osmosis through a partially permeable membrane
Agriculture changed the world and the way of eating. It all started with nomadic settlers or Hunter-Gatherers. It made the way we eat much easier to the point where we don't have to go searching for food when we could grow crops and plants ourselves.
Soil is the basis of farming. It delivers water and nutrients to crops, Physically supports plants, Helps control pests, and protects the quality of drinking water, air and wildlife habitat. The goal of soil management is to protect soil and enhance its performance so you can farm profitably.
