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What are three factors that can affect the rate of photosynthesis?

Carbon dioxide levels, light and temperature
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Answered by Maria E. • Biology tutor
3874 Views

The mass of the Earth is 6.0x10^24 kg and its radius is 6.4x10^6m, calculate the orbital speed of the moon around the earth, the orbit of the moon is a circle of approximate radius of 60R where R is the radius of the earth and a mass m.

M=6.0x10 24 kg create info list of information given in the question converting all values to SI units R=6.4x10 6 mF=GMm/r 2 F=mv 2 /r write down any necessary equations Force due to the gravitational attrac...
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Answered by Emma D. • Physics tutor
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Find values for x and y from two simultaneous equations: 2x + y = 5 and 3x + y = 7

Rearrange one of the equations to make y the subject:y = 5 - 2x Substitute y into the other equation: 3x + 5 - 2x = 7 x = 2 y = 5 - (2 x 2) y = 1
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Answered by Marco V. • Maths tutor
3922 Views

How do you form the preterite tense in Spanish?

For a regular Spanish '-ar' verb, for example 'hablar' - to speak, we remove the -ar ending and replace it with the endings as follows:I - éyou - astehe/she - ówe - amosyou (pl.) - asteisthey - aronThe struc...
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Answered by Alexander B. • Spanish tutor
2483 Views

Describe the function of one hormone in human behaviour

The hormone oxytocin is produced by the hypothalamus and released into the bloodstream through the pituitary gland and into the brain where it attaches to oxytocin receptors. Oxytocin has been associated wit...
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Answered by Alexia O. • Psychology tutor
5889 Views