Why do I cry when I yawn? Our eyes need to stay wet, so these glands produce tears all the time to slowly release onto our eyes. When we yawn, our face muscle contract and put pressure on the tear glands. This causes them to release excess tears. Together, this means that your eyes water […]
How do we measure distance?
What is a simple food chain?
What is a simple food chain? A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain. What is bioaccumulation […]
Which organism is used for municipal wastewater?
Which organism is used for municipal wastewater? Biological treatments rely on bacteria, nematodes, or other small organisms to break down organic wastes using normal cellular processes. Wastewater typically contains a buffet of organic matter, such as garbage, wastes, and partially digested foods. It also may contain pathogenic organisms, heavy metals, and toxins. Which bacteria is […]
Do all cells have cytoplasm?
Do all cells have cytoplasm? All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. Why do all cells have cytoplasm? Cytoplasm works in plant cells much like it does in animal cells. It provides support to the internal structures, is the suspension medium for the organelles and maintains the shape of a cell. What […]
Which is more accurate 10 mL or 100 mL graduated cylinder?
Which is more accurate 10 mL or 100 mL graduated cylinder? For accuracy the volume on graduated cylinders is depicted on scales with 3 significant digits: 100mL cylinders have 1ml grading divisions while 10mL cylinders have 0.1 mL grading divisions. Class A has double the accuracy of class B. Which has greater precision the 10 […]
How would life in a lake be affected if ice sank and lakes froze from the bottom up?
What is negative torque system?
What is negative torque system? Definition. Negative Torque is said to occur when conditions are such that air loading on a propeller causes it to drive the engine to which it is attached vice the normal condition in which the engine drives the propeller. Which is better turboprop or jet? Less efficient & less cost-effective […]
What percentage of Americans work in tourism?
What percentage of Americans work in tourism? Tourism in the US – Employment Statistics 2003–2026 5,459,152 Tourism Employees in the US in 2021 13.6% Tourism in the US Employment Growth in 2021 0.4% Tourism in the US Annualized Employment Growth 2016–2021 How many jobs in the US are accounted for by the tourism industry? 7.8 […]
What are the dangers associated with email?
What are the dangers associated with email? 10 Email Security Risks in 2020 1- Spoofing and Phishing. In an email spoofing case, a cyber criminal sends a user an email pretending to be someone the user knows. 2- Email Security Gaps. 3- Domain Squatting. 4- Client-Side Attacks. 5- Malicious Files. 6- Ransomware. 7- Misconfigurations. 8- […]