Top answers

What is the life cycle of a star?

Star formation begins when dust and gas starts to gather to form a cloud called nebula . Gravity causes the cloud to spiral and form a Protostar , where gravity accelerates the gas particles, resulting in he...
BP
Answered by Barbara P. • Physics tutor
4055 Views

Solve the equation 5(2c -3) = 19

Firstly I would try to learn about the students abilities and maybe do an easier linear equations (without brackets) to ensure they have a basic idea how to solve these types of equations. For this questions...
JG
Answered by Jasmine G. • Maths tutor
4078 Views

Why would an increase in demand for a good cause an increase in price for a good?

Imagine that there are 10 apples to be sold at $1 each and that there are 10 people wanting to buy (demanding) an apple each. Now imagine there is an apple health-craze in this country and so now there are 3...
AK
Answered by Anna K. • Economics tutor
3324 Views

Is "ser" always used to express something permanent and "estar" for something temporary?

This is a common misconception when learning to distinguish ser and estar. There are many rules and exceptions regarding this. Here's an example: "Mi abuela es mayor" vs "Mi abuela está mayor&...
EJ
Answered by Erlei J. • Spanish tutor
3521 Views

What is the equation for photosynthesis and what is the product used for?

Equation: carbon dioxide + water ---(with light energy)---> glucose + oxygen Glucose is the important product of the photosynthesis reaction. Some of the glucose is used in respiration to provide energy f...
IR
Answered by Isabelle R. • Biology tutor
23419 Views