Why is it possible for the rate of movement to vary?​

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.

In ccl4 is there a certain length that the main atom carbon is a certain distance from the chlorine’s?