A closed system is a physical system that does not allow transfer of matter in or out of the system, though, in different contexts, such as physics, chemistry or engineering, the transfer of energy is or is not allowed.

7 0

3 years ago

If the blood drops above were found in two locations of a crime scene, from which direction did the blood come in each case? Dro

lawyer [7]

Answer:

What is a. A; A

Explanation:

Drop 1 struck the surface from direction A, and drop 2 struck the surface from direction A.

6 0

3 years ago

The process of genetic engineering: A) works to change outcomes of traits by altering genetic material. B) is the manipulation o

GuDViN [60]

D) All of the above

Explanation:

Genetic engineering "allow scientists to create their own mutations in the organisms" by "manipulating the genetic code in attempt to improve a species" which is virtually the same as"altering genetic material".

5 0

3 years ago

If you know the answer to this question please help!!

Marrrta [24]

Answer:

2nd option

Explanation:

CO2 is product of respiration

C6H12O6. +. O2. =. CO2. +. H2O

7 0

3 years ago

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