Summary: There is no federal law in the U.S. requiring bicycle helmets. … Most are limited to children under 18, but there are 49 all-ages laws, broken out on our all-ages page. At present, 22 States including the District of Columbia have state-wide laws, and more than 201 localities have local ordinances.
What is the synonym of cycles?
In this page you can discover 59 synonyms, antonyms, idiomatic expressions, and related words for cycle, like: round, circle, course, era, revolution of time, loop, time, series, rhythm, motorcycle and pedal.
What’s a antonym for cycle?
What is the opposite of cycle?
What’s another word for life cycle?
In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for life cycle, like: wheel-of-life, life process, alternation-of-generations, lifecycles, biological-clock, circuition, supply chain, biorhythm and lifecycle.
What are the cycles?
The three main cycles of an ecosystem are the water cycle, the carbon cycle and the nitrogen cycle. These three cycles working in balance are responsible for carrying away waste materials and replenishing the ecosystem with the nutrients necessary to sustain life.
What are synonyms and antonyms for cycle?
Synonyms & Antonyms of cycle
What is the best definition of cycle?
noun. any complete round or series of occurrences that repeats or is repeated. a round of years or a recurring period of time, especially one in which certain events or phenomena repeat themselves in the same order and at the same intervals. any long period of years; age. a bicycle, motorcycle, tricycle, etc.
What makes something a cycle?
A cycle is a series of events that happen repeatedly in the same order. … We get cycle from Latin cyclus and Greek kuklos, both meaning “circle.” So you can see where bi- (two) and tri- (three) + cycle got their names.
What is the synonym of pond?
In this page you can discover 24 synonyms, antonyms, idiomatic expressions, and related words for pond, like: millpond, lily pond, dewpond, lake, basin, pool, bog-garden, , garden, reedbed and birdbath.
What is a frog life cycle?
It includes three stages: Egg, larva, and adult
The life cycle of a frog consists of three stages: egg, larva, and adult. As the frog grows, it moves through these stages in a process known as metamorphosis.
What are the 5 cycles of nature?
Cycles in Nature
- The nitrogen cycle. Nitrogen circulates between air, the soil and living things.
- The carbon cycle. Carbon dioxide circulates between the air, soil, and living things.
- Photosynthesis. This process followed by respiration recycles oxygen.
- The water cycle.
What are the 5 types of cycles of matter?
The most important cycles of matter will be described here; those of water, nitrogen, phosphorus, sulphur and carbon.
What is an energy cycle?
The energy cycle describes the interactions between energy sources within the Earth’s environment. These interactions are very complex, and even small changes in them can lead to significant changes in long-term climate behavior.