Answer:
A. Coal
Explanation:
The other forms listed are "clean" energy sources.
Answer:
All answers are correct.
Explanation:
Long term environmental changes can cause adaptation, migration, habitat loss, and starvation.
Answer – C (Using instruments that have not been calibrated).
When the integrity of an instrument’s calibration has been compromised (usually due to exposure to a shock, vibration, or physical damage), it needs to be calibrated; failure to do this inevitably leads to inaccurate measurement; this is a very common measurement error.
Answer:
translation
Explanation:
occurs at the ribosome, which consists of rRNA and proteins
A carbon atom has 4 valence electrons