I think it’s A, I might be wrong tho..
Answer:
These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils. Pathogenic (disease-causing) microorganisms must make it past this first line of defence. If this defence is broken, the second line of defence within your body is activated.
Explanation:
Answer:
It is the nucleus of each cell where the DNA molecule is packed into thread like structure which is called chromosome.
Explanation:
A) 25%
Would be the probability of their child having blue eyes <3