Answer:
The correct answer is c. smoking
Explanation:
Cigarette contains tobacco and it is identified that cigarette smoke has up to 7000 chemicals out of which 250 are poisonous and 70 chemicals are found to be carcinogenic.
Smoking is the main cause and greatest risk factor for bladder cancer. The person who smoke regularly are 3 times more prone to get bladder cancer than non-smokers. Smoking causes cancer in other organs and tissue like lungs, mouth, esophagus, throat, liver, pancreas, stomach, etc. Therefore the correct answer is c.
Answer:
Due to its spreading nature.
Explanation:
Transboundary environmental threats like pollution is a problem for both parties i. e. one that is producing pollution and the other which is not producing it, because pollution can't remain at one place and spread from one part to another part of the earth due to open environment. So due to its spreading, it affected both the producing and non-producing parties.
The correct order of steps in an experiment would be:
- Identify the variables.
- Write out your hypothesis in an if/then format.
- Gather your materials.
- Analyze the data.
- Write your conclusion.
<h3>What is an experiment?
</h3>
An experiment is a term to refer to the process by which a hypothesis is supported/disproved. The experiments serve to explain the cause-and-effect relationship according to the results obtained.
Experimentation has some important steps that we must follow to demonstrate our ideas regarding a scientific manifestation, these steps are:
- Identify the variables: We must identify the factors that we can manipulate so that the result changes.
- Write our hypothesis: Establish a hypothetical result that we are going to demonstrate.
- Gather the materials: We must have all the materials and variables to be able to carry out our experiments.
- Analyze the data: When we do an experiment we must record everything we see and then analyze it to examine each step and the procedures performed.
- Write the conclusion: After analyzing the data obtained, we can write a conclusion about the experiment carried out and the result obtained.
Learn more about experiments in: brainly.com/question/9199868
Answer: A. Plant
Explanation:
Plants have some of the most of complex cells of living organisms because they have different roles and structures to enable the plant to survive.
These include cells like the Parenchyma, Collenchyma, Sclerenchyma, Xylem and Phloem cells. Xylem cells for instance are complex cells located within the vascular tissues of plants and help transport water and minerals to the rest of the plant from the roots. Xylem cells look long and tracheal which is to enable them carry out the aforementioned roles.