silverclam759

what is the most used plastic in America over the past 20 years?

Analyse the benefits of free trade between countries? Supporting your answers with relevant arguments and data. Maximum 2500 words

How many bones are in human body

How does a catalyst speed up a chemical reaction?

◯ A. by lowering the activation energy

◯ B. by lowering the △H of the reaction

◯ C. by raising the energy of the products

◯ D. by raising the energy of the reactants

State the law of conservation of energy in a complete sentence.

(a) If the wavelength of an electron is 4.63 ✕ 10−7 m, how fast is it moving?
 km/s

(b) If the electron has a speed equal to 8.20 ✕ 106 m/s, what is its wavelength?
 m

Describe the basic nature of the diet including the reasoning for how it works.

Analyze the diet for any scientific evidence to support its effectiveness.

Design a controlled experiment to test the effectiveness of the diet. 

Use in-text citation and provide source references for at least 3 sources. The textbook can be one source.

When citing articles or other types of documents, follow standard guidelines as introduced on "Citing references in scientific research papers".