Answer:
Magnification power is 600X
Explanation:
15X and 40X indicating that the object is enlarged 15 times and 40 times. Formula is X = lens power X objective lens power.
Extra - Fun fact - The magnifying glass consists of a piece of convex-shaped glass or plastic.
In residential heating, convection is the mechanism by which heat is lost by warm air leaking to the outside when the doors are opened, or cold air leaking into the house through the cracks or openings in walls, windows, or doors. When cold air comes in contact with the heater in a room, it absorbs the heat and rises.
Mosquitoes have a 6-tube system in their "snout". It's a big big needle with 6 parts to it. 4 of those parts are used to pierce the skin of the human. The other 2 parts are 2 tubes. One of those tubes sends saliva from the mosquito down into the human. The other sends blood up from the human into the mosquito.
Now, unlike some viruses (like dengue and Zikka), HIV cannot replicate inside a mosquito. HIV replicates inside human T-cells...there aren't any of those inside a mosquito gut. Eventually the HIV is destroyed and never makes it to the saliva of the mosquito - so the mosquito can never infect a human with HIV.
I'm gonna say D is the answer.
You need a hypothesis a control a non control and experimental class you will have 3 sections and over the days u will record the changes
