Answer:
The correct answer is option D (the option you selected)
Explanation:
When ever any harmful bacteria invades the body, the immune cells recognize the harmful bacteria as antigen and starts building antibody against it. The macrophages shows the T-cells and B-cells, the parts of the pathogen against which the antibody has to be made.
I hope I'm right and good luck on your test :)
You should ask are the remains human remains.
There was a concern about the impact of human beings on the planet.
The relationship between predator and prey is bepending on each other. If the prey disappear then predators would start to disappear but if there's a lot of prey them more predators but if there was more prey than predators then the prey would over populate I guess you can say so they prey,predator thing needs to be balanced
The independent variable is the seed type. This cannot be changed while the other variables can be changed such as water, soil additive, and light.
Independent variables:
The variable which is not affected by the change in other variables at the time of study is called the independent variable. It is the cause of study. The dependent variables are the effect and are observed. These are dependent on the change in the independent variables. For example, seed type is an independent variable whereas germination which is the combined effect of light, water, and soil additive that determines the process of germination.
Learn more about independent variables here:
brainly.com/question/1479694
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