Most mammals including humans are endothermic. Reptiles and amphibians are ectothermic.
Answer:
If it's in the table, it's an element! Atoms can join together - they form bonds together - to make MOLECULES. For example, two atoms of hydrogen hook together to form a molecule of hydrogen, H2 for short.
It would have been a little helpful if you added a picture but I hope this is helpful.Thank you!
Explanation:
A because I learned that last year in science
B represents the growth shown in plants without fertilizer even in similar conditions. Experiment B is important because it helps bring the experiment to a conclusion that plants react better with fertilizer when growing in it’s early stages.
In nature organisms mate without human interference.this is called selective breeding. hope this helps!