Answer:
D
Explanation:
Enzymes are chemical catalysts they speed up/ increase the rate of the reaction by lowering the activation energy (minimum energy required for reaction to actually occur).
Answer: A substance is matter which has a specific composition and specific properties. Every pure element is a substance. Every pure compound is a substance. Examples of substances: Iron is an element and hence is also a substance.
Explanation:
B- respiration or A- transport
C. Would be the right answer!!!!!!
<span>acinonyx jubatus belong to "Kingdom Animalia"
In short, Your Answer would be Option D
Hope this helps!</span>
