I would say the last option, the tilt of the axis/ rotation of the earth. Sorry if this is late, it says you asked a week ago. Hope this helps
Photosynthesis:
1) Reactants = CO2, Water, Sunlight
2) Products = O2, Glucose,
Cellular Respiration:
1) Reactants = O2, Glucose
2) Products = CO2, Energy (in ATP)
Hope this helps!
To preserve and keep them fresh
<span>284 km in 2 million years.</span>
A.Revise her hypothesis, and then retest it