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Nutrients:
State the unit of energy in food: kj (kilojoules)
What effects are there of becoming overweight?
- Heart disease and diabetes.
The BIG Question (worth 6 marks) about Group 1 and Group 2 Mohs hardness: (I got 5/6 last time)
What to do to get the one extra mark:
Write the difference between the elements! (GCSE Notebook to see the newly written answer - worth 6/6.)
Photosynthesis:
Question 5b: The leaves lacked magnesium, and without magnesium there's no chlorophyll, which is why they turned yellow. Question 6a: The stomata lets in carbon dioxide, and lets out oxygen/water. Question 6b: A Chloroplast is a plastid that contains chlorophyll, that can move to capture light.
Which part of the leaf tissure contains most the most chloroplasts? The top layer, because they receive more sunlight.
Word equation for aerobic respiration: GLUCOSE + OXYGEN = CARBON DIOXIDE + WATER
Where does respiration take place in the cell? In the Mitochondria.
Differences between aerobic and anaerobic respiration= Aerobic respiration uses oxygen, and uses more energy, whereas anaerobic respiration doesn't use oxygen, and uses less energy.
Name the change of state that occurs at the surface of the seawater = Evaporation. Condenser = condensation.
Why can't salt make a gas? Because salt doesn't have a boiling point - so it cannot create a gas.
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