Ice floats on water because it is less dense than water. When water freezes into its solid form, its molecules are able to form more stable hydrogen bonds locking them into positions. ... Most substances in their solid form are more dense than their liquid forms.
Answer: Sorry umm i cant see the problem quite clearly
Explanation:
sorry
Your heart rate should drop to about 120 beats per minute within five minutes after the workout and less than 100 beats per minute after ten minutes.
Answer: Immune system
Explanation:
The immune system is a set of structures and biological processes that protect the body against diseases. In order to function properly, the immune system must detect an immense variety of agents, from viruses to parasites, and distinguish them from healthy body tissue.It protects the body from infections through stratified defense mechanisms with progressive specificity. The physical barriers (like skin, membranes) prevent pathogens from entering.
