The information in the diagram best supports which hypothesis? a) the fossil in layer c is preserved in igneous rock. b) the fossil in layer c is preserved in metamorphic rock. c) the fossil in layer c is older than the fossil in layer d. d) the fossil organism in layer c is more complex than the fossil organism in layer d.

Acommon kind of mechanical weathering is called

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes