Answer:
a. iris
Explanation:
iris is actually the structure of the eye that regulates the amount of light passing to the visual receptors of the eye
The answer you are looking for is B. Bubbles form when two chemicals are mixed together.
The answer is true, the phases are a trend
Active volcanoes can affect the properties of the soil (e.g., pH) and therefore may alter agriculture and health.
<h3>What are active volcanoes?</h3>
Active volcanoes are geological formations that have regular cycles of eruptions, releasing liquid magma to the Earth's surface.
These eruptions are composed of rocks (or ash weathers) that generate fertile soils, but also may affect the respiratory airways.
Volcanic eruptions have devastating consequences for human populations and lead to destruction as well as societal collapse.
In conclusion, active volcanoes can affect the properties of the soil (e.g., pH) and therefore may alter agriculture and health.
Learn more about active volcanoes here:
brainly.com/question/820677
#SPJ1
Answer:
type II hypersensitivity
Explanation:
Based on the scenario being described within the question it can be said that these types of reactions are best defined as type II hypersensitivity. This is an process in which specific antibodies bind to antigens that causes tissue damage or destruction, and mainly occurs when an individual is given the wrong blood type.