The oldest meteorite<span> fragments found on </span>Earth<span> are about 4.54 billion years old; this, coupled primarily with the dating of ancient </span>lead<span> deposits, has put the estimated age of Earth at around that time.</span>[38]<span> The </span>Moon<span> has the same composition as Earth's </span>crust<span> but does not contain an </span>iron<span>-rich </span>core<span> like the Earth's.</span>
Answer:
Naturally: only during daylight hours
Artificially: all 24 hours (under perfect circumstances)
Explanation:
Photosynthesis can only occur when a plant receives energy from a light source. Naturally, the light source would be the sun which is only around for a certain amount of hours. If the plant is under an artificial light source, like a lamp, then photosynthesis can occur at all hours of the day.
please post the pic. links can not be opened here.
Answer:
texture
Explanation:
Texture can be either fine-grained, medium-grained, or course-grained.
Answer:
disaccharide
Explanation:
A disaccharide is a substance made up of two molecules of simple sugars (monosaccharides) linked to each other.
Monosaccharides include: glucose, fructose, galactose
Combining monosaccharides we get disaccharides:
sucrose = glucose + fructose
lactose = galactose + glucose
maltose = glucose + glucose