Amf vold air sinks near the poles.
Answer:
Mature pollen grains contain two cells: a generative cell and a pollen tube cell. The generative cell is contained within the larger pollen tube cell. Upon germination, the tube cell forms the pollen tube through which the generative cell migrates to enter the ovary.
Explanation:
The answer i’m pretty sure with, would be “•frequent lung infections•“ ans also, “•low appetite•“ Hope this helps,
Explanation: Devons body system are (affected) so, its an inhsdited condition. And 1&3 are giving the explanation thats going on in his body. Hope this helps! Stay safe, happy holidays!
Answer:
By squeezing a bulb attached to the wide end of the pipette
Explanation:
You squeeze the bulb and place it on the wide end of the pipet. Then you place the tip of the pipet in the solution and release your grip to pull it into the pipet.
B is wrong, unless you want to accidentally get a mouthful of the sulfuric acid or cyanide you are pipetting.
C and D are wrong. Even the wide end of a pipette is too narrow to fill with either a beaker or an eyedropper.
<span>First, we need to clarify what negative feedback means. Negative feedback is a response that is fed back to the input and that tends to reduce the fluctuation of the output. Negative tries to confer stability to the system. So, you can see that the option B. cannot be because if you add more wood to a fire the fire will increase instead of extinguish. The option A implies a signal (from the high temperature) that starts the air conditioner, so it brings the system out of the equilibrium. The option C. indeed signals that the "full" signal es fed back and the organism will stop eating and so it reaches equilibrium. The answer is the option C. not eating any more when you are full.</span><span />
