Rays of the sun is used by plants to make their own food
Answer from: Quest
While unproven, it uses facts to support part of a conclusion. it is still factual and has predictive power, however.
Answer from: Quest
weight of any object is given by
w = m*g
where m is mass of the object and g is the acceleration due to gravity.
for earth the value of g is 9.8 m/s^2 so
w=117.6 n m=12 g=?
117.6=12g => g=9.8 m/s^2
which is the force of gravity on earth.
Another question on Chemistry
Chemistry, 21.06.2019 17:00
Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects