enemy not disappearing even after health is zero please help fast

using UnityEngine;

 public class Health : MonoBehaviour
 {
     [SerializeField] private float startingHealth;
     public float currentHealth { get; private set; }
     private Animator anim;
     private bool dead;
     private enemydestrucatble des;
     private void Awake()
     {
         currentHealth = startingHealth;
         anim = GetComponent<Animator>();
         des = GetComponent<enemydestrucatble>();
     }
     public void TakeDamage(float _damage)
     {
         currentHealth = Mathf.Clamp(currentHealth - _damage, 0, startingHealth);
 
         if (currentHealth > 0)
         {
             anim.SetTrigger("hurt");
             //iframes
         }
         else
         {
             if (!dead)
             {
                 anim.SetTrigger("die");
                 GetComponent<PlayerMovement>().enabled = false;
                 dead = true;
                 if (Collision.gameObject.GetComponent<enemydestrucatble>() != null)
                 {
 
                     Destroy(collision.gameObject);
 
                     Destroy(gameObject);
 
 
 
                 }
             }
         }
     }
     public void AddHealth(float _value)
     {
         currentHealth = Mathf.Clamp(currentHealth + _value, 0, startingHealth);
     }
 }
 
 
 //enemyscript
 
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class enemydestrucatble : MonoBehaviour
 {
     [SerializeField] private float movementDistance;
     [SerializeField] private float speed;
     [SerializeField] private float damage;
     private bool movingLeft;
     private float leftEdge;
     private float rightEdge;
     private Animator ANIM;
 
 
 
     private void Awake()
     {
         leftEdge = transform.position.x - movementDistance;
         rightEdge = transform.position.x + movementDistance;
         ANIM = GetComponent<Animator>();
 
     }
 
     private void Update()
     {
         if (movingLeft)
         {
             if (transform.position.x > leftEdge)
             {
                 transform.position = new Vector3(transform.position.x - speed * Time.deltaTime, transform.position.y, transform.position.z);
             }
             else
                 movingLeft = false;
         }
         else
         {
             if (transform.position.x < rightEdge)
             {
                 transform.position = new Vector3(transform.position.x + speed * Time.deltaTime, transform.position.y, transform.position.z);
             }
             else
                 movingLeft = true;
         }
     }
 
     private void OnTriggerEnter2D(Collider2D collision)
     {
         
         
         if (collision.tag == "Player")
         {
 
             collision.GetComponent<Health>().TakeDamage(damage);
 
 
             if (collision.gameObject.GetComponent<enemydestrucatble>() != null)
             {
 
                 Destroy(collision.gameObject);
 
                 Destroy(gameObject);
 
 
 
             }
 
 
 
 
         }
 
 
 //projectile script
 
 
     }
 }
 
 
 
 using UnityEngine;
 
 public class Projectile : MonoBehaviour
 {
     [SerializeField] private float speed;
     private float direction;
     private bool hit;
     private float lifetime;
     [SerializeField] private float damage;
     private Animator anim;
     private BoxCollider2D boxCollider;
 
     private void Awake()
     {
         anim = GetComponent<Animator>();
         boxCollider = GetComponent<BoxCollider2D>();
     }
     private void Update()
     {
         if (hit) return;
         float movementSpeed = speed * Time.deltaTime * direction;
         transform.Translate(movementSpeed, 0, 0);
 
         lifetime += Time.deltaTime;
         if (lifetime > 5) gameObject.SetActive(false);
     }
     private void OnTriggerEnter2D(Collider2D collision)
     {
         hit = true;
         boxCollider.enabled = false;
         anim.SetTrigger("explode");
 
         if (collision.tag == "Enemy")
         {
             
           if(collision.gameObject.GetComponent<enemydestrucatble>() != null)
             {
 
                 Destroy(collision.gameObject);
 
                 Destroy(gameObject);
 
 
             }
 
            
             
         }
         
 
 
     }
     public void SetDirection(float _direction)
     {
         lifetime = 0;
         direction = _direction;
         gameObject.SetActive(true);
         hit = false;
         boxCollider.enabled = true;
 
         float localScaleX = transform.localScale.x;
         if (Mathf.Sign(localScaleX) != _direction)
             localScaleX = -localScaleX;
 
         transform.localScale = new Vector3(localScaleX, transform.localScale.y, transform.localScale.z);
 
 
     }
 
     private void Deactivate()
     {
         gameObject.SetActive(false);
     }
 
     
 
 
 }

, using UnityEngine;

 public class Health : MonoBehaviour
 {
     [SerializeField] private float startingHealth;
     public float currentHealth { get; private set; }
     private Animator anim;
     private bool dead;
     private enemydestrucatble des;
     private void Awake()
     {
         currentHealth = startingHealth;
         anim = GetComponent<Animator>();
         des = GetComponent<enemydestrucatble>();
     }
     public void TakeDamage(float _damage)
     {
         currentHealth = Mathf.Clamp(currentHealth - _damage, 0, startingHealth);
 
         if (currentHealth > 0)
         {
             anim.SetTrigger("hurt");
             //iframes
         }
         else
         {
             if (!dead)
             {
                 anim.SetTrigger("die");
                 GetComponent<PlayerMovement>().enabled = false;
                 dead = true;
                 if (Collision.gameObject.GetComponent<enemydestrucatble>() != null)
                 {
 
                     Destroy(collision.gameObject);
 
                     Destroy(gameObject);
 
 
 
                 }
             }
         }
     }
     public void AddHealth(float _value)
     {
         currentHealth = Mathf.Clamp(currentHealth + _value, 0, startingHealth);
     }
 }