The answer is b, for he is comparing the two rocks to find an age relative to the other
Answer:
The most important things for a cell are oxygen in order to respire and Glucose, also for respiration. This is used in a process called glycolysis where the cell makes a chemical called ATP which is basically our energy. ... So basically a cell needs lots to stay alive.
Explanation:
Answer:
Access. A basic feature of any greenhouse is access. ...
Vents. One of the first greenhouse features necessary is a means of controlling the climate – most importantly, venting excess heat. ...
Fans. Fans inside a greenhouse are necessary for two basic functions. ...
Rollup Sides. ...
Heaters. ...
Shelves and Benches. ...
Water. ...
Electricity.
Explanation:
theres more but these are the important ones .
Answer:
D.can be good for the environment and for people
Scientific methods must be supported by observations and results from many investigations and are not absolute.