Bar graphs show patterns in data with variables that change over time; Whereas pie charts, show data as parts out of a whole, (such as 100%).
Answer:
Sensitive questions will make the respondents cautious when answering the next question since they will still be thinking about it
Explanation:
The main aim of a survey is to collect or gather data that will increase knowledge in fields such as social research and Demography.
Thoughts, opinions and feelings are assessed.
To get credible data, the respondents have to be truthful and unbiased in answering the questions.
Therefore, asking sensitive questions will lead to the respondents being biased and less truthful on answering later questions.
The location of chloroplasts is in the cytoplasm with other organelles and the function is converting water, energy, and sunlight into food.
Net primary productivity (NPP) can be defined as the amount of energy made available by plants to animals, only at the herbivore leve. The NPP of an ecosystem depends on different factors such as the levels of heat, moisture, nutrients available, competition..If the NPP is low (little available food) than animals sparse (have to move to find it).
Answer:
The correct option is that (Too many greenhouse gases in the atmosphere may block heat from escaping into space and trap too much heat next to the Earth's surface causing global warming).
Explanation:
Increased human activities has caused the continuous release of many toxic and harmful substances into the environment. This has caused varying degrees of environmental pollution.
The increased demand of fossil fuels for generation of energy in industries, deforestation and even farming has lead to increase in the release of greenhouse gases to the atmosphere. Example of greenhouse gases include:
--> carbondioxide
--> methane
--> chlorofluorocarbons
--> nitrous oxide.
These are called greenhouse gases as they have the ability to absorb hear energy emitted from earth surface and reflecting it back to the earth surface. The trapping of this heat increases the earth's atmospheric temperature leading to a weather condition called GLOBAL WARMING. The effect of this weather change includes:
--> higher sea levels,
--> Extreme or severe weather such as storm, floods, drought and heat waves,
--> acidic ocean
-->higher death rates.
