Do arthropods have a mantle and a foot? Mollusks have joined appendages. Mollusks have a muscular foot. Arthropods have a muscular foot. Arthropods have a water vascular system. Are worms mollusks? Worms (earthworms, leeches, marine worms, etc.) are segmented worms, and belong to Phylum Annelida. Snails, slugs, clams, octopus, squid, etc. belong to Phylum Mollusca. […]
What is the main difference between passive and active transport?
What is the main difference between passive and active transport? There are two major ways that molecules can be moved across a membrane, and the distinction has to do with whether or not cell energy is used. Passive mechanisms like diffusion use no energy, while active transport requires energy to get done. What are the […]
Can I change the margins on one page in Word?
Can I change the margins on one page in Word? To change the margins for part of a document, select the text, and then set the margins that you want by entering the new margins in the Page Setup dialog box. In the Apply to box, click Selected text. Microsoft Word automatically inserts section breaks […]
Which is the most dangerous volcano in the world?
Which is the most dangerous volcano in the world? Vesuvius volcano Where are most volcanoes located? Pacific Ocean Which country has the most active volcano? Indonesia Which state has the most volcanoes? Alaska is home to the largest number of potentially active volcanoes in the U.S., with 141, according to the Alaska Volcano Observatory. While […]
What are TVOC levels?
What are TVOC levels? TVOC means the total concentration of multiple VOCs present simultaneously in the air. Measuring TVOC concentrations is less expensive than measuring the concentrations of many individual VOCs, so TVOC is a common data to be taken into account when it comes to air pollution control and exhaust air treatment. Why does […]
Why again does a cannon recoil when fired?
Why again does a cannon recoil when fired? Conservation of momentum explains why a gun or cannon recoils backwards when it is fired. When a cannon is fired, the cannon ball gains forward momentum and the cannon gains backward momentum. Before the cannon is fired (the ‘event’) the total momentum is zero. This is because […]
What happens when a star dies NASA?
What happens when a star dies NASA? Supernovae Leave Behind Neutron Stars or Black Holes In a nova, only the star’s surface explodes. In a supernova, the star’s core collapses and then explodes. In massive stars, a complex series of nuclear reactions leads to the production of iron in the core. What happens to low […]
What is Lipid profile test used for?
What is Lipid profile test used for? What is a lipid profile? A lipid profile (or lipid panel) is a blood test which measures the concentrations of fats and cholesterol in the blood, and can be used to assess so-called ‘good cholesterol’ versus ‘bad cholesterol’ levels. What color is a positive test for lipids? It […]