Question

Which sentence states a central idea in "Cool Jobs Part 1"?

Cool Jobs Part 1


1. They swabbed every place the burglars had touched, looking for bacteria and other microbes the women might have left behind.

2. If you touch a surface, you leave behind millions of bacteria and other microbes.

3. One issue is that the science of analyzing microbial DNA is still imprecise.

4. Each sample tends to hold hundreds of thousands—or even millions—of single-celled organisms.

Answer 1

Option(2) " If you touch a surface, you leave behind millions of bacteria and other microbes". The central idea revolves around the prevalence and impact of microbes on daily life, the importance of hand hygiene, and the evolving science and applications in microbiology.

Step-by-step explanation:

The central idea in 'Cool Jobs Part 1' could likely be related to the understanding of how microbes are present on various surfaces and the significance of this in various applications, including forensics, health, and sterilization practices. As indicated in the excerpts, microbes are found in great numbers on surfaces we touch, such as car consoles, doorknobs, and even our skin, and can be transferred and cultured, affecting both our health and the environment. The science of analyzing microbial DNA is still developing, which presents challenges in identifying and understanding the full scope of microbial life. The importance of proper hygiene, such as washing hands, to prevent the spread of illnesses is also emphasized, and the role of microbiologists in advancing our understanding of microbes is highlighted.

Answer 2

If you touch a surface, you leave behind millions of bacteria and other microbes.

Step-by-step explanation:

I think it is If you touch a surface, you leave behind millions of bacteria and other microbes.