They form in very bad storms or changing temps!
Answer:
The concentric vascular bundles is amphivasal
The answer is A. Condensation is when a gas becomes a liquid. It happens when a gas, like water vapor, cools down. ... In condensation, matter changes from a gas to a liquid. All matter is made of tiny moving particles called molecules.
Active transport is a type of transport that requires energy to move substances across a membrane. It occurs against a concentration gradient.
- The use of energy to move waste materials out of a cell is an EXAMPLE of transport active.
- Active transport occurs against a concentration gradient, whereas passive transport (i.e., diffusion) occurs in favor of a concentration gradient.
- Active transport can be mediated by membrane proteins that move substances from an area of high concentration to an area of low concentration.
- This movement (active transport ) usually requires the energy provided by the hydrolysis of ATP.
- Water molecules move across cellular membranes through membrane protein channels called aquaporins that act in favor of a concentration gradient (passive transport).
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