There are many different causes if climate change. Some causes of climate change are human activity, deforestation, and increasingly intensive agriculture. Human activity is the main cause of climate change because people burn fossil fuels and convert land from forests to agriculture. Deforestation is the cause of climate change because living trees take in and store carbon dioxide. Increasingly intensive agriculture is the cause of climate change because it emits greenhouse gases like methane, ozone, carbon dioxide, and nitrous oxide.
A plane is two dimensional and has infinite length and width. So, it contains infinite lines. Ray is a defined term in geometry. Hence, a plain contains the parallel lines.
I think the correct answer from the choices listed above is option B. Based on what scientists have observed about all living things on Earth, it must be composed of one or more cells for <span>it to be considered living. It is one of the key points of the cell theory.</span>
