Over a million students use our free study notes to help them with their homework
The first harmonic has wavelength λ1 = 4L and the next harmonic has wavelength λ2 = 4L/3<...
The Principle of Original Horizontality states that all sedimentary layers are originally deposited horizontally.
A strength of the behavioural approach is that it is one of the most objective approaches in psychology. This approach primarily centres around the use of lab studies in which observable behaviour is used...
hot spots in the earths core cause intense heating of the crust. This heating causes magma to rise and break the sea floor. a volcano is formed. Over time, due to tectonic plate movement (wegener) the cru...
Phosphorus is a vital building block and is used in the compound ATP, it is also a vital component within nucleotide and protein synthesis with the sugar phosphate backbone found in DNA and RNA being comp...
←
1999
2000
2001
2002
2003
→
Internet Safety
Payment Security
Cyber
Essentials
Comprehensive K-12 personalized learning
Immersive learning for 25 languages
Trusted tutors for 300 subjects
35,000 worksheets, games, and lesson plans
Adaptive learning for English vocabulary
Fast and accurate language certification
Essential reference for synonyms and antonyms
Comprehensive resource for word definitions and usage
Spanish-English dictionary, translator, and learning resources
French-English dictionary, translator, and learning
Diccionario ingles-espanol, traductor y sitio de apremdizaje
Fun educational games for kids
