A dogs tendency to bark because a dog has to communicate which for them is barking, to get the attention needed.
The answer is D my friend.
I think both are A I’m not sure
Answer: I would say the answer is blood to be diverted to the muscles doing the work out and blood to be diverted from the brain
Explanation: that’s the answers that make the most sense to me, not totally sure tho
Answer:
Biotechnology is used to modify organisms, genetically, the effect of which is still not known. These genetically modified organisms, including bacteria, can escape in the wild and may disturb the balance of the ecosystem. This, as a result, may hurt biodiversity